[Ida, S.; Canup, R.M. & Stewart, G.M.; 1997: Lunar accretion from an impact-generated disk, Nature 389, p. 353-357.]
[{{cite journal|last=Canup|first=Robin M.|coauthors=Erik Asphaug|title=Origin of the Moon in a giant impact near the end of the Earth's formation|journal=Nature|year=2001|volume=412|pages=708–712}}]
[{{Cite journal | last1=Canup | first1=Robin M. | title=Simulations of a late lunar-forming impact | journal=Icarus | volume=168 | issue=2 | pages=433–456 | month=April | year=2004 | doi=10.1016/j.icarus.2003.09.028 | bibcode=2004Icar..168..433C | ref=harv }}]
[{{cite journal|last=Zhang|first=Junjun|coauthors=Dauphas, Nicolas, Davis, Andrew M., Leya, Ingo, Fedkin, Alexei|title=The proto-Earth as a significant source of lunar material|journal=Nature Geoscience|date=25 March 2012|volume=5|issue=4|pages=251–255|doi=10.1038/ngeo1429}}]
[{{cite journal|last=Nisbet|first=E. G.|coauthors=Sleep, N. H.|title=The habitat and nature of early life|journal=Nature|year=2001|volume=409|issue=6823|pages=1083–1091|doi=10.1038/35059210}}]
[{{cite book|last=Condie|first=Kent C.|title=Plate tectonics and crustal evolution|year=1997|publisher=Butterworth Heinemann|location=Oxford|isbn=9780750633864|edition=4th}}]
[{{cite book |author=Panno, Joseph |title=The cell: evolution of the first organism |publisher=Facts on File |location=New York |year=2005 |isbn=0-8160-4946-7 |url=http://www.scribd.com/doc/14632719/PannoThe-CellEvolution-of-the-First-OrganismThe-New-Biology}}]
[{{cite journal]
| last = Warmflash | first = David
| coauthors = Benjamin Weiss
| year = 2005 | month = November
| title = Did Life Come From Another World?
| journal = Scientific American
| pages = 64–71
| url = http://www.scientificamerican.com/article.cfm?id=did-life-come-from-anothe&page=1
|accessdate=2012-04-13
| ref = harv
}}
[{{Cite web]
| last = Chaisson | first = Eric J. | year = 2005
| url = http://web.archive.org/web/20101219204419/http://www.tufts.edu/as/wright_center/cosmic_evolution/docs/text/text_chem_2.html
| title = Theories of life's origin
| work = Cosmic Evolution
| publisher = Tufts University | accessdate = 2012-04-13
}}
[{{cite journal | author = Erives A | title = A Model of Proto-Anti-Codon RNA Enzymes Requiring L-Amino Acid Homochirality | journal = J Molecular Evolution | volume = 73 | pages= 10–22 | year = 2011 | pmid = 21779963 | doi = 10.1007/s00239-011-9453-4 | issue = 1–2 | pmc = 3223571}}]
[{{cite book]
| author=Cowen, R. | title=History of Life | edition=3rd | publisher=Blackwell Science
| isbn=0632044446 | page=6
| year=2000}}
[{{cite journal |doi=10.1038/365566a0 |author=Egholm M, Buchardt O, Christensen L, Behrens C, Freier SM, Driver DA, Berg RH, Kim SK, Nordén B, and Nielsen PE |title=PNA Hybridizes to Complementary Oligonucleotides Obeying the Watson-Crick Hydrogen Bonding Rules |year=1993 |journal=Nature |volume=365 |issue=6446 |pages=566–8 |pmid=7692304}}]
[{{cite journal |author=Trevors, J. T. and Abel, D. L. |title=Chance and necessity do not explain the origin of life |journal=Cell Biol. Int. |volume=28 |issue=11 |pages=729–39 |year=2004 |pmid=15563395 |doi=10.1016/j.cellbi.2004.06.006}}]
[{{cite journal |author=Forterre, P., Benachenhou-Lahfa, N., Confalonieri, F., Duguet, M., Elie, C. and Labedan, B. |title=The nature of the last universal ancestor and the root of the tree of life, still open questions |journal=BioSystems |volume=28 |issue=1–3 |pages=15–32 |year=1992 |pmid=1337989 |doi=10.1016/0303-2647(92)90004-I}}]
{{Reflist}}