Then Eric is probably right:what is org-latex-to-pdf-process set to? 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 Sat, Feb 6, 2016 at 12:16 PM, Nikolai wrote: > John Kitchin gmail.com> writes: > > > > > It could also be you didn't specify a bibliographystyle. > > > > Try running M-x org-ref on the file. It checks that some things like that > are correct. Sometimes it is > > helpful to manually build the puff at the command line. Org hides a lot > of > errors sometimes. > > > > Thank you Prof. Kitchen, > > Tried your suggestions with same result: references marked as [?] and no > bibliography generated. > > /Nikolai > > > > > > > >