Template:ISSN link

{{#if:{{{1|}}}|{{#if:{{{2|}}}|[https://www.worldcat.org/search?fq=x0:jrnl&q=n2:{{#if:1|{{{1}}}}} {{#if:1|{{{1}}}}}] (print){{#invoke:check isxn|check_issn|1={{{1|}}}|error={{Please check ISSN}}}}{{{br|
}}} [https://www.worldcat.org/search?fq=x0:jrnl&q=n2:{{#if:1|{{{2}}}}} {{#if:1|{{{2}}}}}] (web){{#invoke:check isxn|check_issn|1={{{2|}}}|error={{Please check ISSN}}}}|[https://www.worldcat.org/search?fq=x0:jrnl&q=n2:{{#if:1|{{{1}}}}} {{#if:1|{{{1}}}}}]{{#invoke:check isxn|check_issn|1={{{1|}}}|error={{Please check ISSN}}}}}}}}