Don't print url for books in the references
\AtEveryBibitem{
\ifentrytype{book}{
\clearfield{url}
\clearfield{urldate}
\clearfield{urlyear}
\clearfield{urlmonth}
\clearfield{urlday}
}{}
}
Could make sense to other bib entry types as well (article
, inproceedings
, incollection
)
We could filter out other fields like that as well (e.g. doi
s, isbn
s, issn
s etc.).
Edited by Dominik Becker