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

@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{McClRand1980,
 author = {P. A. McClure and J. C. Randolph},
 year = {1980},
 title = {Relative Allocation of Energy to Growth and Development of Homeothermy in the Eastern Wood Rat (\emph{Neotoma floridana}) and Hispid Cotton Rat (\emph{Sigmodon hispidus})},
 journal = {Ecological Monographs},
 volume = {50},
 pages = {199--219}
} 

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