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

@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}}
} 

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

@Article{Hutc1970,
 author = {M. Hutchison},
 year = {1970},
 title = {Observations on the growth rate and development of some {E}ast {A}frican antelopes},
 journal = {J. Zool., Lond.},
 volume = {161},
 pages = {431--436}
}