@Misc{Wiki,
 howpublished = {\url{http://en.wikipedia.org/wiki/Sciurus_carolinensis}}
} 

@Book{Kooy2010,
 author = {Kooijman, S.A.L.M.},
 year = {2010},
 title  = {Dynamic Energy Budget theory for metabolic organisation},
 publisher = {Cambridge Univ. Press, Cambridge},
 pages = {Table 4.2 (page 150), 8.1 (page 300)},
 howpublished = {\url{../../../bib/Kooy2010.html}}
} 

@Article{ShorElt2009,
 doi = {10.1111/j.1096-3642.1951.tb00804.x},
 author = {Shorten, Vizoso and Elton, C.},
 year = {2009},
 title  = {Some aspects of the biology of the grey squirrel (\emph{Sciurus carolinensis}) in {G}reat {B}ritain},
 journal = {Proceedings of the Zoological Society of London},
 volume = {121(2)},
 pages = {427–459}
} 

@Misc{AnAge,
 howpublished = {\url{http://genomics.senescence.info/species/entry.php?species=Sciurus_carolinensis}}
} 

@Misc{ADW,
 howpublished = {\url{http://animaldiversity.org/accounts/Sciurus_carolinensis/}}
}