thanks. but i'm encountering my old problem: \externalfigure[\cite[file][Eidenbenz2016]] gives me an error. Do I need a lua approach here? Michael

On 12 Jul 2016, at 16:09, Alan BRASLAU wrote:

On Tue, 12 Jul 2016 10:51:06 +0200 Michael Eidenbenz wrote:

...

is there a way to extract data from the bib database to use it in a macro?

something like a replacement for the old \getcitedata

\cite[title] [Eidenbenz2016]

(Any field can be obtained with this mechanism.)

Alan