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

@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}}
} 

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

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

@Article{Smut1975,
 author = {Smuts, G. L.},
 year = {1975},
 title = {Pre- and postnatal growth phenomena of {B}urchell's zebra \emph{Equus burchelli antiquorum}},
 journal = {Koedoe},
 volume = {18},
 pages = {69-102}
}