List of Wenninger polyhedron models#Stellations: models W19 to W66

{{Short description|None}}

This is an indexed list of the uniform and stellated polyhedra from the book Polyhedron Models, by Magnus Wenninger.

The book was written as a guide book to building polyhedra as physical models. It includes templates of face elements for construction and helpful hints in building, and also brief descriptions on the theory behind these shapes. It contains the 75 nonprismatic uniform polyhedra, as well as 44 stellated forms of the convex regular and quasiregular polyhedra.

Models listed here can be cited as "Wenninger Model Number N", or WN for brevity.

The polyhedra are grouped in 5 tables: Regular (1–5), Semiregular (6–18), regular star polyhedra (20–22,41), Stellations and compounds (19–66), and uniform star polyhedra (67–119). The four regular star polyhedra are listed twice because they belong to both the uniform polyhedra and stellation groupings.

[[Platonic solids]] (regular convex polyhedra) W1 to W5

class="wikitable"

! Index

! Name

! Picture

! Dual name

! Dual picture

! Wythoff symbol

! Vertex figure
and Schläfli symbol

! Symmetry group

! U#

! K#

! V

! E

! F

! Faces by type

1

| Tetrahedron

| 80px

| Tetrahedron

| 80px

| 3{{pipe}}2 3

| 80px
{3,3}

| Td

| U01

| K06

| 4

| 6

| 4

| 4{3}

2

| Octahedron

| 80px

| Hexahedron

| 80px

| 4{{pipe}}2 3

| 80px
{3,4}

| Oh

| U05

| K10

| 6

| 12

| 8

| 8{3}

3

| Hexahedron (Cube)

| 80px

| Octahedron

| 80px

| 3{{pipe}}2 4

| 80px
{4,3}

| Oh

| U06

| K11

| 8

| 12

| 6

| 6{4}

4

| Icosahedron

| 80px

| Dodecahedron

| 80px

| 5{{pipe}}2 3

| 80px
{3,5}

| Ih

| U22

| K27

| 12

| 30

| 20

| 20{3}

5

| Dodecahedron

| 80px

| Icosahedron

| 80px

| 3{{pipe}}2 5

| 80px
{5,3}

| Ih

| U23

| K28

| 20

| 30

| 12

| 12{5}

[[Archimedean solids]] (Semiregular) W6 to W18

class="wikitable"

! Index

! Name

! Picture

! Dual name

! Dual picture

! Wythoff symbol

! Vertex figure

! Symmetry group

! U#

! K#

! V

! E

! F

! Faces by type

6

| Truncated tetrahedron

| 80px

| triakis tetrahedron

File:triakis tetrahedron.png

| 2 3{{pipe}}3

| 80px
3.6.6

| Td

| U02

| K07

| 12

| 18

| 8

| 4{3} + 4{6}

7

| Truncated octahedron

| 80px

| tetrakis hexahedron

File:tetrakis cube.png

| 2 4{{pipe}}3

| 80px
4.6.6

| Oh

| U08

| K13

| 14

| 36

| 24

| 6{4} + 8{6}

8

| Truncated hexahedron

| 80px

| triakis octahedron

File:triakis octahedron.png

| 2 3{{pipe}}4

| 80px
3.8.8

| Oh

| U09

| K14

| 24

| 36

| 14

| 8{3} + 6{8}

9

| Truncated icosahedron

| 80px

| pentakis dodecahedron

File:pentakis dodecahedron.png

| 2 5{{pipe}}3

| 80px
5.6.6

| Ih

| U25

| K30

| 60

| 90

| 32

| 12{5} + 20{6}

10

| Truncated dodecahedron

| 80px

| triakis icosahedron

File:triakis icosahedron.png

| 2 3{{pipe}}5

| 80px
3.10.10

| Ih

| U26

| K31

| 60

| 90

| 32

| 20{3} + 12{10}

11

| Cuboctahedron

| 80px

| rhombic dodecahedron

File:rhombic dodecahedron.png

| 2{{pipe}}3 4

| 80px
3.4.3.4

| Oh

| U07

| K12

| 12

| 24

| 14

| 8{3} + 6{4}

12

| Icosidodecahedron

| 80px

| rhombic triacontahedron

File:rhombic triacontahedron.png

| 2{{pipe}}3 5

| 80px
3.5.3.5

| Ih

| U24

| K29

| 30

| 60

| 32

| 20{3} + 12{5}

13

| Small rhombicuboctahedron

| 80px

| deltoidal icositetrahedron

File:Strombic icositetrahedron.png

| 3 4{{pipe}}2

| 80px
3.4.4.4

| Oh

| U10

| K15

| 24

| 48

| 26

| 8{3}+(6+12){4}

14

| Small rhombicosidodecahedron

| 80px

| deltoidal hexecontahedron

File:Strombic hexecontahedron.png

| 3 5{{pipe}}2

| 80px
3.4.5.4

| Ih

| U27

| K32

| 60

| 120

| 62

| 20{3} + 30{4} + 12{5}

15

| Truncated cuboctahedron
(Great rhombicuboctahedron)

| 80px

| disdyakis dodecahedron

File:disdyakis dodecahedron.png

| 2 3 4{{pipe}}

| 80px
4.6.8

| Oh

| U11

| K16

| 48

| 72

| 26

| 12{4} + 8{6} + 6{8}

16

| Truncated icosidodecahedron
(Great rhombicosidodecahedron)

|80px

| disdyakis triacontahedron

File:disdyakis triacontahedron.png

| 2 3 5{{pipe}}

| 80px
4.6.10

| Ih

| U28

| K33

| 120

| 180

| 62

| 30{4} + 20{6} + 12{10}

17

| Snub cube

| 80px

| pentagonal icositetrahedron

File:pentagonal icositetrahedron.png

| {{pipe}}2 3 4

| 80px
3.3.3.3.4

| O

| U12

| K17

| 24

| 60

| 38

| (8 + 24){3} + 6{4}

18

| Snub dodecahedron

| 80px

| pentagonal hexecontahedron

File:Pentagonal hexecontahedron.png

| {{pipe}}2 3 5

| 80px
3.3.3.3.5

| I

| U29

| K34

| 60

| 150

| 92

| (20 + 60){3} + 12{5}

[[Kepler–Poinsot polyhedra]] (Regular [[Star polyhedron|star polyhedra]]) W20, W21, W22 and W41

class="wikitable"

! Index

! Name

! Picture

! Dual name

! Dual picture

! Wythoff symbol

! Vertex figure
and Schläfli symbol

! Symmetry group

! U#

! K#

! V

! E

! F

! Faces by type

20

| Small stellated dodecahedron

| 80px

| Great dodecahedron

| 80px

| 5{{pipe}}25/2

| 80px
{5/2,5}

| Ih

| U34

| K39

| 12

| 30

| 12

| 12{5/2}

21

| Great dodecahedron

| 80px

| Small stellated dodecahedron

| 80px

| 5/2{{pipe}}2 5

| 80px
{5,5/2}

| Ih

| U35

| K40

| 12

| 30

| 12

| 12{5}

22

| Great stellated dodecahedron

| 80px

| Great icosahedron

| 80px

| 3{{pipe}}25/2

| 80px
{5/2,3}

| Ih

| U52

| K57

| 20

| 30

| 12

| 12{5/2}

41

| Great icosahedron
(16th stellation of icosahedron)

| 80px

| Great stellated dodecahedron

| 80px

| 5/2{{pipe}}2 3

| 80px
{3,5/2}

| Ih

| U53

| K58

| 12

| 30

| 20

| 20{3}

{{Back to top2}}

Stellations: models W19 to W66

=Stellations of octahedron=

class="wikitable"

! Index

! Name

! Symmetry group

! Picture

! Facets

2

| Octahedron
(regular)

| Oh

| 100px

| 100px

19

| Stellated octahedron
(Compound of two tetrahedra)

| Oh

| 100px

| 100px

===Stellations of dodecahedron===

class="wikitable"

! Index

! Name

! Symmetry group

! Picture

! Facets

5

| Dodecahedron (regular)

| Ih

| 100px

| 100px

20

| Small stellated dodecahedron (regular)
(First stellation of dodecahedron)

| Ih

| 100px

| 100px

21

| Great dodecahedron (regular)
(Second stellation of dodecahedron)

| Ih

| 100px

| 100px

22

| Great stellated dodecahedron (regular)
(Third stellation of dodecahedron)

| Ih

| 100px

| 100px

=Stellations of icosahedron=

class="wikitable" width=640

! Index

! Name

! Symmetry group

! Picture

! Facets

4

| Icosahedron (regular)

| Ih

| 100px

| 100px

23

| Compound of five octahedra
(First compound stellation of icosahedron)

| Ih

| 100px

| 100px

24

| Compound of five tetrahedra
(Second compound stellation of icosahedron)

| I

| 100px

| 100px

25

| Compound of ten tetrahedra
(Third compound stellation of icosahedron)

| Ih

| 100px

| 100px

26

| Small triambic icosahedron
(First stellation of icosahedron)
(Triakis icosahedron)

| Ih

| 100px

| 100px

27

| Second stellation of icosahedron

| Ih

| 100px

| 100px

28

| Excavated dodecahedron
(Third stellation of icosahedron)

| Ih

| 100px

| 100px

29

| Fourth stellation of icosahedron

| Ih

| 100px

| 100px

30

| Fifth stellation of icosahedron

| Ih

| 100px

| 100px

31

| Sixth stellation of icosahedron

| Ih

| 100px

| 100px

32

| Seventh stellation of icosahedron

| Ih

| 100px

| 100px

33

| Eighth stellation of icosahedron

| Ih

| 100px

| 100px

34

| Ninth stellation of icosahedron
Great triambic icosahedron

| Ih

| 100px

| 100px

35

| Tenth stellation of icosahedron

| I

| 100px

| 100px

36

| Eleventh stellation of icosahedron

| I

| 100px

| 100px

37

| Twelfth stellation of icosahedron

| Ih

| 100px

| 100px

38

| Thirteenth stellation of icosahedron

| I

| 100px

| 100px

39

| Fourteenth stellation of icosahedron

| I

| 100px

| 100px

40

| Fifteenth stellation of icosahedron

| I

| 100px

| 100px

41

| Great icosahedron (regular)
(Sixteenth stellation of icosahedron)

| Ih

| 100px

| 100px

42

| Final stellation of the icosahedron

| Ih

| 100px

| 100px

=Stellations of cuboctahedron=

class="wikitable" width=720

! Index

! Name

! Symmetry group

! Picture

! Facets (octahedral planes)

! Facets (cube planes)

11

| Cuboctahedron (regular)

| Oh

| 100px

| 100px

| 100px

43

| Compound of cube and octahedron
(First stellation of cuboctahedron)

| Oh

| 100px

| 100px

| 100px

44

| Second stellation of cuboctahedron

| Oh

| 100px

| 100px

| 100px

45

| Third stellation of cuboctahedron

| Oh

| 100px

| 100px

| 100px

46

| Fourth stellation of cuboctahedron

| Oh

| 100px

| 100px

| 100px

===Stellations of icosidodecahedron===

class="wikitable" width=720

! Index

! Name

! Symmetry group

! Picture

! Facets (icosahedral planes)

! Facets (dodecahedral planes)

12

| Icosidodecahedron
(regular)

| Ih

| 100px

| 100px

| 100px

47

| (First stellation of icosidodecahedron)
Compound of dodecahedron and icosahedron

| Ih

| 100px

| 100px

| 100px

48

| Second stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

49

| Third stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

50

| Fourth stellation of icosidodecahedron
(Compound of small stellated dodecahedron
and triakis icosahedron)

| Ih

| 100px

| 100px

| 100px

51

| Fifth stellation of icosidodecahedron
(Compound of small stellated dodecahedron
and five octahedra)

| Ih

| 100px

| 100px

| 100px

52

| Sixth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

53

| Seventh stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

54

| Eighth stellation of icosidodecahedron
(Compound of five tetrahedra
and great dodecahedron)

| I

| 100px

| 100px

| 100px

55

| Ninth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

56

| Tenth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

57

| Eleventh stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

58

| Twelfth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

59

| Thirteenth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

60

| Fourteenth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

61

| Compound of great stellated dodecahedron and great icosahedron

| Ih

| 100px

| 100px

| 100px

62

| Fifteenth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

63

| Sixteenth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

64

| Seventeenth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

65

| Eighteenth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

66

| Nineteenth stellation of icosidodecahedron

| Ih

| 100px

| 100px

| 100px

{{Back to top2}}

Uniform nonconvex solids W67 to W119

class="wikitable"

! Index

! Name

! Picture

! Dual name

! Dual picture

! Wythoff symbol

! Vertex figure

! Symmetry group

! U#

! K#

! V

! E

! F

! Faces by type

|67Tetrahemihexahedron80pxTetrahemihexacron80px3/23{{pipe}}280px
4.3/2.4.3
TdU04K0961274{3}+3{4}
|68Octahemioctahedron80pxOctahemioctacron80px3/23{{pipe}}380px
6.3/2.6.3
OhU03K081224128{3}+4{6}
|69Small cubicuboctahedron80pxSmall hexacronic icositetrahedron80px3/24{{pipe}}480px
8.3/2.8.4
OhU13K182448208{3}+6{4}+6{8}
|70Small ditrigonal icosidodecahedron80pxSmall triambic icosahedron80px3{{pipe}}5/2380px
(5/2.3)3
IhU30K3520603220{3}+12{5/2}
|71Small icosicosidodecahedron80pxSmall icosacronic hexecontahedron80px5/23{{pipe}}380px
6.5/2.6.3
IhU31K36601205220{3}+12{5/2}+20{6}
|72Small dodecicosidodecahedron80pxSmall dodecacronic hexecontahedron80px3/25{{pipe}}580px
10.3/2.10.5
IhU33K38601204420{3}+12{5}+12{10}
|73Dodecadodecahedron80pxMedial rhombic triacontahedron80px2{{pipe}}5/2580px
(5/2.5)2
IhU36K4130602412{5}+12{5/2}
|74Small rhombidodecahedron80pxSmall rhombidodecacron80px25/25{{pipe}}80px
10.4.10/9.4/3
IhU39K44601204230{4}+12{10}
|75Truncated great dodecahedron80pxSmall stellapentakis dodecahedron80px25/2{{pipe}}580px
10.10.5/2
IhU37K4260902412{5/2}+12{10}
|76Rhombidodecadodecahedron80pxMedial deltoidal hexecontahedron80px5/25{{pipe}}280px
4.5/2.4.5
IhU38K43601205430{4}+12{5}+12{5/2}
|77Great cubicuboctahedron80pxGreat hexacronic icositetrahedron80px3 4{{pipe}}4/380px
8/3.3.8/3.4
OhU14K192448208{3}+6{4}+6{8/3}
|78Cubohemioctahedron80pxHexahemioctacron80px4/34{{pipe}}380px
6.4/3.6.4
OhU15K201224106{4}+4{6}
|79Cubitruncated cuboctahedron
(Cuboctatruncated cuboctahedron)
80pxTetradyakis hexahedron80px4/33 4{{pipe}}80px
8/3.6.8
OhU16K214872208{6}+6{8}+6{8/3}
|80Ditrigonal dodecadodecahedron80pxMedial triambic icosahedron80px3{{pipe}}5/3580px
(5/3.5)3
IhU41K4620602412{5}+12{5/2}
|81Great ditrigonal dodecicosidodecahedron80pxGreat ditrigonal dodecacronic hexecontahedron80px3 5{{pipe}}5/380px
10/3.3.10/3.5
IhU42K47601204420{3}+12{5}+12{10/3}
|82Small ditrigonal dodecicosidodecahedron80pxSmall ditrigonal dodecacronic hexecontahedron80px5/33{{pipe}}580px
10.5/3.10.3
IhU43K48601204420{3}+12{5/2}+12{10}
|83Icosidodecadodecahedron80pxMedial icosacronic hexecontahedron80px5/35{{pipe}}380px
6.5/3.6.5
IhU44K49601204412{5}+12{5/2}+20{6}
|84Icositruncated dodecadodecahedron
(Icosidodecatruncated icosidodecahedron)
80pxTridyakis icosahedron80px5/33 5{{pipe}}80px
10/3.6.10
IhU45K501201804420{6}+12{10}+12{10/3}
|85Nonconvex great rhombicuboctahedron
(Quasirhombicuboctahedron)
80pxGreat deltoidal icositetrahedron80px3/24{{pipe}}280px
4.3/2.4.4
OhU17K222448268{3}+(6+12){4}
|86Small rhombihexahedron80pxSmall rhombihexacron80px3/22 4{{pipe}}80px
4.8.4/3.8
OhU18K2324481812{4}+6{8}
|87Great ditrigonal icosidodecahedron80pxGreat triambic icosahedron80px3/2{{pipe}}3 580px
(5.3.5.3.5.3)/2
IhU47K5220603220{3}+12{5}
|88Great icosicosidodecahedron80pxGreat icosacronic hexecontahedron80px3/25{{pipe}}380px
6.3/2.6.5
IhU48K53601205220{3}+12{5}+20{6}
|89Small icosihemidodecahedron80pxSmall icosihemidodecacron80px3/23{{pipe}}580px
10.3/2.10.3
IhU49K5430602620{3}+6{10}
|90Small dodecicosahedron80pxSmall dodecicosacron80px3/23 5{{pipe}}80px
10.6.10/9.6/5
IhU50K55601203220{6}+12{10}
|91Small dodecahemidodecahedron80pxSmall dodecahemidodecacron80px5/45{{pipe}}580px
10.5/4.10.5
IhU51K5630601812{5}+6{10}
|92Stellated truncated hexahedron
(Quasitruncated hexahedron)
80pxGreat triakis octahedron80px2 3{{pipe}}4/380px
8/3.8/3.3
OhU19K242436148{3}+6{8/3}
|93Great truncated cuboctahedron
(Quasitruncated cuboctahedron)
80pxGreat disdyakis dodecahedron80px4/32 3{{pipe}}80px
8/3.4.6
OhU20K2548722612{4}+8{6}+6{8/3}
|94Great icosidodecahedron80pxGreat rhombic triacontahedron80px2{{pipe}}5/2380px
(5/2.3)2
IhU54K5930603220{3}+12{5/2}
|95Truncated great icosahedron80pxGreat stellapentakis dodecahedron80px25/2{{pipe}}380px
6.6.5/2
IhU55K6060903212{5/2}+20{6}
|96Rhombicosahedron80pxRhombicosacron80px25/23{{pipe}}80px
6.4.6/5.4/3
IhU56K61601205030{4}+20{6}
|97Small stellated truncated dodecahedron
(Quasitruncated small stellated dodecahedron)
80pxGreat pentakis dodecahedron80px2 5{{pipe}}5/380px
10/3.10/3.5
IhU58K6360902412{5}+12{10/3}
|98Truncated dodecadodecahedron
(Quasitruncated dodecahedron)
80pxMedial disdyakis triacontahedron80px5/32 5{{pipe}}80px
10/3.4.10
IhU59K641201805430{4}+12{10}+12{10/3}
|99Great dodecicosidodecahedron80pxGreat dodecacronic hexecontahedron80px5/23{{pipe}}5/380px
10/3.5/2.10/3.3
IhU61K66601204420{3}+12{5/2}+12{10/3}
|100Small dodecahemicosahedron80pxSmall dodecahemicosacron80px5/35/2{{pipe}}380px
6.5/3.6.5/2
IhU62K6730602212{5/2}+10{6}
|101Great dodecicosahedron80pxGreat dodecicosacron80px5/35/23{{pipe}}80px
6.10/3.6/5.10/7
IhU63K68601203220{6}+12{10/3}
|102Great dodecahemicosahedron80pxGreat dodecahemicosacron80px5/45{{pipe}}380px
6.5/4.6.5
IhU65K7030602212{5}+10{6}
|103Great rhombihexahedron80pxGreat rhombihexacron80px4/33/22{{pipe}}80px
4.8/3.4/3.8/5
OhU21K2624481812{4}+6{8/3}
|104Great stellated truncated dodecahedron
(Quasitruncated great stellated dodecahedron)
80pxGreat triakis icosahedron80px2 3{{pipe}}5/380px
10/3.10/3.3
IhU66K7160903220{3}+12{10/3}
|105Nonconvex great rhombicosidodecahedron
(Quasirhombicosidodecahedron)
80pxGreat deltoidal hexecontahedron80px5/33{{pipe}}280px
4.5/3.4.3
IhU67K72601206220{3}+30{4}+12{5/2}
|106Great icosihemidodecahedron80pxGreat icosihemidodecacron80px3 3{{pipe}}5/380px
10/3.3/2.10/3.3
IhU71K7630602620{3}+6{10/3}
|107Great dodecahemidodecahedron80pxGreat dodecahemidodecacron80px5/35/2{{pipe}}5/380px
10/3.5/3.10/3.5/2
IhU70K7530601812{5/2}+6{10/3}
|108Great truncated icosidodecahedron
(Great quasitruncated icosidodecahedron)
80pxGreat disdyakis triacontahedron80px5/32 3{{pipe}}80px
10/3.4.6
IhU68K731201806230{4}+20{6}+12{10/3}
|109Great rhombidodecahedron80pxGreat rhombidodecacron80px3/25/32{{pipe}}80px
4.10/3.4/3.10/7
IhU73K78601204230{4}+12{10/3}
|110Small snub icosicosidodecahedron80pxSmall hexagonal hexecontahedron80px{{pipe}}5/23 380px
3.3.3.3.3.5/2
IhU32K3760180112(40+60){3}+12{5/2}
|111Snub dodecadodecahedron80pxMedial pentagonal hexecontahedron80px{{pipe}}25/2580px
3.3.5/2.3.5
IU40K45601508460{3}+12{5}+12{5/2}
|112Snub icosidodecadodecahedron80pxMedial hexagonal hexecontahedron80px{{pipe}}5/33 580px
3.3.3.3.5.5/3
IU46K5160180104(20+6){3}+12{5}+12{5/2}
|113Great inverted snub icosidodecahedron80pxGreat inverted pentagonal hexecontahedron80px{{pipe}}5/32 380px
3.3.3.3.5/3
IU69K746015092(20+60){3}+12{5/2}
|114Inverted snub dodecadodecahedron80pxMedial inverted pentagonal hexecontahedron80px{{pipe}}5/32 580px
3.5/3.3.3.5
IU60K65601508460{3}+12{5}+12{5/2}
|115Great snub dodecicosidodecahedron80pxGreat hexagonal hexecontahedron80px{{pipe}}5/35/2380px
3.5/3.3.5/2.3.3
IU64K6960180104(20+60){3}+(12+12){5/2}
|116Great snub icosidodecahedron80pxGreat pentagonal hexecontahedron80px{{pipe}}25/25/280px
3.3.3.3.5/2
IU57K626015092(20+60){3}+12{5/2}
|117Great retrosnub icosidodecahedron80pxGreat pentagrammic hexecontahedron80px{{pipe}}3/25/3280px
(3.3.3.3.5/2)/2
IU74K796015092(20+60){3}+12{5/2}
|118Small retrosnub icosicosidodecahedron80pxSmall hexagrammic hexecontahedron80px{{pipe}}3/23/25/280px
(3.3.3.3.3.5/2)/2
IhU72K7718060112(40+60){3}+12{5/2}
|119Great dirhombicosidodecahedron80pxGreat dirhombicosidodecacron80px{{pipe}}3/25/335/280px
(4.5/3.4.3.4.5/2.4.3/2)/2
IhU75K806024012440{3}+60{4}+24{5/2}

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See also

References

  • {{cite book | first=Magnus | last=Wenninger | authorlink=Magnus Wenninger | title=Polyhedron Models | publisher=Cambridge University Press | year=1974 | isbn=0-521-09859-9 }}
  • Errata
  • In Wenninger, the vertex figure for W90 is incorrectly shown as having parallel edges.
  • {{cite book | first=Magnus | last=Wenninger | authorlink=Magnus Wenninger | title=Spherical Models | url=https://archive.org/details/sphericalmodels0000wenn | url-access=registration | publisher=Cambridge University Press | year=1979 | isbn=0-521-29432-0 }}