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

@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}}
} 

@techreport{Furs2008,
 author = {D. Furstenburg},
 year = {2008},
 title = {Focus on the Common / Grey Duiker \emph{Sylvicapra grimmia}},
 institution = {Geo Wild Consult Ltd},
 howpublished = {\url{https://www.researchgate.net/publication/316167446}}
} 

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