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

@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{VargAnde1996,
 author = {A. Vargas and S. H. Anderson},
 year = {1996},
 title = {Growth and Physical Development of Captive-Raised Black-Footed Ferrets (\emph{Mustela nigripes})},
 journal = {The American Midland Naturalist},
 volume = {135},
 number = {53},
 pages = {43--52}
} 

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