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

@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{GautFour2006,
 author = {Gauthier, G. and Fournier, F. and Larochelle, J.},
 year = {2006},
 title = {The effect of environmental conditions on early growth in gees},
 journal = {British Poultry Science},
 volume = {29},
 pages = {53-61}
} 

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

@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}
}