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

@Book{Kooy2010,
 author = {Kooijman, S.A.L.M.},
 year = {2010},
 title  = {Dynamic Energy Budget theory for metabolic organisation},
 publisher = {Cambridge Univ. Press, Cambridge},
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 howpublished = {\url{../../../bib/Kooy2010.html}}
} 

@Article{ClarFerg1994,
 author = {M. Clark and A. Ferguson and A. Maskell and F. Smith},
 year = {1994},
 title = {Breeding the Black-footed penguin at {London Zoo} \emph{Spheniscus demersus}},
 journal = {Int. Zoo Yb.},
 volume = {33},
 pages = {19--23}
} 

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

@Misc{EoL,
 howpublished = {\url{http://eol.org/pages/1049617/overview}}
} 

@Article{PrinPres1991,
 doi = {10.1016/0300-9629(91)90122-S},
 author = {R. Prinzinger and A.Pre{\ss}mar and E. Schleucher},
 year = {1991},
 title = {Body temperature in birds},
 journal = {Comp. Biochem. Physiol.},
 volume = {99A(4)},
 pages = {499-506}
}