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

@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{DillWall2002,
 author = {Lowell V. Diller and Richard L. Wallace},
 year = {2002},
 title = {GROWTH, REPRODUCTION, AND SURVIVAL IN A POPULATION OF \emph{Crotalus viridis oreganus}  IN NORTH CENTRAL {I}DAHO},
 journal = {Herpetological Monographs},
 volume = {16},
 pages = {26-45}
} 

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

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

@Misc{retileDB,
 howpublished = {\url{http://reptile-database.reptarium.cz/species?genus=Crotalus&species=oreganus}}
}