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

@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{BeltButt1992,
 author = {Beltr\'{a}n, J. J. and  Butts, W. T. and Olson, T. A. and Koger, M.},
 year = {1992},
 title = {Growth patterns of two lines of {A}ngus cattle selected using predicted growth parameters},
 journal = {J Anim. Sci.},
 volume = {70},
 pages = {734--41}
} 

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