After following instructions from Mendeley on creating and exporting bib using bibtex, citations containing URL were incomplete in the bibliography output (url absent). For example:
@article{Cover1998,
author = {Cover, Robin},
file = {:Users/XXXX/Documents/Mendeley Desktop/Cover/Cover Pages/Cover - 1998 - XML and semantic transparency.html:html},
journal = {Cover Pages},
publisher = {OASIS},
title = {{XML and semantic transparency}},
url = {http://xml.coverpages.org/xmlAndSemantics.html http://www.citeulike.org/group/2308/article/1449562},
year = {1998}
}
Results in
Cover, R. (1998). XML and semantic transparency