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

@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{HillBeau2008,
 author = {Jacques G. Hill and Steven J. Beaupre},
 year = {2008},
 title = {Body Size, Growth, and Reproduction in a Population of Western Cottonmouths (\emph{Agkistrodon piscivorus leucostoma}) in the {O}zark {M}ountains of {N}orthwest {A}rkansas},
 journal = {Copeia},
 volume = {2008(1)},
 pages = {105-114}
} 

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

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