Template:Citation/identifier

{{#switch:{{{identifier}}}

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|doi={{#if:
        |doi: (inactive ) {{#ifeq: Template | 
                  |[[Category:Pages with DOIs inactive since {{#time: Y |  }}]]
                  |
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        |doi:
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     {{#if:1||{{#if:
        |doi: (inactive )
        |doi:
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|asin=ASIN 
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|bibcode=Bibcode: 
         {{#if:1||Bibcode: 
         }}
|jfm=JFM 
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|jstor=JSTOR 
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|isbn=ISBN [[Special:BookSources/|]]
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|issn=ISSN 
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|mr=MR
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|oclc=OCLC 
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|pmc=PMC 
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|pmid=PMID 
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|zbl=ZBL 
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