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

@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{MaclPari2005,
 author = {C. J. Macleod and D. M. B. Parish and R. P. Duncan and S. Moreby and S. F. Hubbard},
 year = {2005},
 title = {Importance of niche quality for Yellowhammer \emph{Emberiza citrinella} nestling survival, development and body condition in its native and exotic ranges: the role of diet},
 journal = {Ibis},
 volume = {147},
 pages = {270--282}
} 

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

@Misc{EoL,
 howpublished = {\url{http://eol.org/pages/1046716/details}}
} 

@Book{Harr1975,
 author = {C. Harrison},
 year = {1975},
 title  = {A field guide to the nests, eggs and nestlings of British and European birds},
 publisher = {Collins, London}
} 

@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}
}