Sorry for the annoyance. I finally found that you have to add, before the bibliography, the following snippet:
\def\newblock{} At least this email will be forever at hand through Google!!! ;) ------------------------------------------------- Julio Rojas jcredbe...@gmail.com On Thu, Sep 30, 2010 at 3:14 PM, Julio Rojas <jcredbe...@gmail.com> wrote: > Dear all, I guess this is a recurrent topic, but I couldn't find a > solution googling around. I have to include some references from my > bibtex file into my beamer presentation, but after the document is > compiled, a "?" appears in place of the reference. I tried compiling > the Latex version of the presentation and I found the following error: > > ! Latex Error: \newblock undefined. > > If I ignores this error, the document compiles perfectly. I think LyX > is not capable of overcoming this error and the biblatex part of the > compilation fails. Any idea on how can I solve it? > > Best regards. > ------------------------------------------------- > Julio Rojas > jcredbe...@gmail.com >