Maybe it isn't in customization. Try C-h v bibtex-BibTeX-entry-alist bibtex-BibTeX-entry-alist is a variable defined in `bibtex.el'. You have to set it with some elisp code. John ----------------------------------- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu On Mon, Sep 11, 2017 at 1:15 PM, Johannes Brauer wrote: > Thanks, John, for your hint. > I am able to find bibtex-biblatex-entry-alist but not the > bibtex-BibTeX-entry-alist in the Bibtex customization group. > > Johannes > > Am 11.09.2017 um 02:38 schrieb John Kitchin : > > I am pretty sure you cannot use entry types that are not defined > in bibtex-BibTeX-entry-alist or bibtex-biblatex-entry-alist. You can add > types to those variables to get them to work. > > John > > ----------------------------------- > Professor John Kitchin > Doherty Hall A207F > Department of Chemical Engineering > Carnegie Mellon University > Pittsburgh, PA 15213 > 412-268-7803 <(412)%20268-7803> > @johnkitchin > http://kitchingroup.cheme.cmu.edu > > > On Sun, Sep 10, 2017 at 2:50 PM, Johannes Brauer > wrote: > >> Hi! >> >> isn’t it allowed to use bibtex entries @url or @webpage? Using one of >> them the html export complains that the entry is not found, for example: >> >> Carro1998 not found in /Users/johannes/Documents/lehr >> e/Informatik/Programmierparadigmen/Vorlesung/referenzen.bib >> org-ref-get-bibtex-entry-citation: Wrong type argument: stringp, nil >> >> Johannes > > > >