BibTex format
@article{Kucharski:2012:10.1098/rspb.2011.1168,
author = {Kucharski, A and Gog, JR},
doi = {10.1098/rspb.2011.1168},
journal = {Proc Biol Sci},
pages = {645--652},
title = {Influenza emergence in the face of evolutionary constraints.},
url = {http://dx.doi.org/10.1098/rspb.2011.1168},
volume = {279},
year = {2012}
}