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

@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{AngeAnto2008,
 author = {Claudio Angelini and Damiano Antonelli and Carlo Utzeri},
 year = {2008},
 title = {A multi-year and multi-site population study on the life history of \emph{Salamandrina perspicillata} ({S}avi, 1821) ({A}mphibia, {U}rodela)},
 journal = {Amphibia-Reptilia},
 volume = {29},
 pages = {161-170}
} 

@Article{BoveAnge2006,
 author = {Stefano Bovero and Claudio Angelini and Carlo Utzeri},
 year = {2006},
 title = {Aging \emph{Salamandrina perspicillata} ({S}avi, 1821) by skeletochronology},
 journal = {Acta Herpetologica},
 volume = {1(2)},
 pages = {153-158}
} 

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