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

@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{PinyPere2013,
 author = {S. Pinya and V. Perez-Mellado},
 year = {2013},
 title = {Ageing and growth of the endangered midwife toad \emph{Alytes muletensis}},
 journal = {Endang Species Res},
 volume = {22},
 pages = {263-268}
} 

@Misc{EoL,
 howpublished = {\url{http://eol.org/pages/1039071/overview}}
} 

@Misc{ADW,
 howpublished = {\url{http://animaldiversity.org/accounts/Alytes_obstetricans/}}
} 

@Misc{amphibiaweb,
 howpublished = {\url{https://amphibiaweb.org/cgi/amphib_query?where-genus=Alytes&where-species=muletensis}}
} 

@Misc{nlsoorten,
 howpublished = {\url{http://www.nederlandsesoorten.nl/linnaeus_ng/app/views/species/nsr_taxon.php?id=139971&cat=151&epi=1}}
}