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Unused bibliography entries - how to check which entries where not used?

I have a very large references.bib. Throughout my document, I have used \cite{} to cite many of them. Now I would like to know if I missed any - that is, if there is a references in the .bib file that has not been called using \cite{}. Is this possible?

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It seems like refcheck with \nocite{*} does exactly what I was looking for! Should I make this an "answer" instead of a "comment"? Thanks! –  David Doria Mar 6 '12 at 16:55
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marked as duplicate by egreg, Daniel, Thorsten, Werner, diabonas Mar 6 '12 at 17:31

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You can use backref, part of the hyperref package. It will add links in the bibliography to the pages where the entries are cited. That way you can easily find references you did not use.

\usepackage[backref]{hyperref}
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Carsten - but hyperref/bibtex does not add the citations at all to the "References" section if they are not referenced. It seems backref adds links from the ones that are referenced to the position from which they are referenced. See what I mean? –  David Doria Mar 6 '12 at 16:50
    
@David Yes - you have to look for those entries that have no backref-links. –  Carsten Thiel Mar 6 '12 at 16:54
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