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

@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}}
} 

@Book{Spar2014,
 author = {M. Sparreboom},
 year = {2014},
 title = {Salamanders of the Old World},
 publisher = {KNNV},
 address = {Untrecht}
} 

@Article{VoitFrai2011,
 author = {Y. Voituron and M. de Fraipont and J. Issartel and O. Guillaume and J. Clobert},
 year = {2011},
 title = {Extreme lifespan of the human fish (\emph{Proteus anguinus}): a challenge for ageing mechanisms},
 doi = {10.1098/rsbl.2010.0539},
 journal = {Biol. Lett.},
 volume = {7},
 pages = {105-107}
} 

@Misc{iucn,
 howpublished = {\url{http://www.iucnredlist.org/details/18377/0}}
} 

@Misc{amphibiaweb,
 howpublished = {\url{http://www.amphibiaweb.org/cgi/amphib_query?where-genus=Proteus&where-species=anguinus}}
} 

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