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

@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{KrasKras2002,
 author = {M. Krasi\~{n}ska and Z. A. Krasin\~{n}ski},
 year = {2002},
 title = {Body mass and measurements of the {E}uropean bison during postnatal development},
 journal = {Acta Theriologica},
 volume = {47},
 pages = {85-106}
} 

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