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

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

@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{KrafKova2006,
 author = {B. A. Krafft and K. M. Kovacs and A. K. Frie and T. Haug and C. Lydersen},
 year = {2006},
 title = {Growth and population parameters of ringed seals (\textit{Pusa hispida}) from {S}valbard, {N}orway, 2002-2004},
 journal = {ICES journal of marine research},
 volume = {63},
 number = {3},
 doi = {10.1016/j.icesjms.2006.04.001},
 pages = {1136--114}
}