This is BibTeX, Version 0.99dThe top-level auxiliary file: morph.aux
The style file: plain.bst
Database file #1: bib.bib
A bad cross reference---entry "cpaior2014"
refers to entry "DBLP:conf/cpaior/2014", which doesn't exist
Warning--I didn't find a database entry for "DBLP:conf/cpaior/2014"
Warning--there's a number but no volume in mertens2005
(There was 1 error message)