BibTex format
@article{Coulson:2008,
author = {Coulson, T and Malo, AF},
journal = {Nature},
pages = {43--44},
title = {Population biology: Case of the absent lemmings},
url = {http://www.nature.com/nature/journal/v456/n7218/full/456043a.html},
volume = {456},
year = {2008}
}