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

@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{KatzWari2003,
 author = {Katzmann, S. and Waringer-Loschenkohl, A. and Waringer, A.},
 year = {2003},
 title = {Effects of inter- and intraspecific competition on growth and development of \emph{Bufo viridis} and \emph{Bufo bufo} tadpoles},
 journal = {Limnologica},
 volume = {33},
 pages = {122--130}
} 

@Article{Jorg1988,
 author = {Jorgensen, C. J.},
 year = {1988},
 title = {Metabolic costs of growth and maintenance in the toad, \emph{Bufo bufo}},
 journal = {J. exp Biol.},
 volume = {138},
 pages = {319--331}
} 

@Article{BrunBern2009,
 author = {E. Brunelli and I. Bernab\`{o} and C. Bergb and K. Lundstedt-Enkel and A. Bonaccia and S. Tripepia},
 year = {2009},
 title = {Environmentally relevant concentrations of endosulfan impair development, metamorphosis and behaviour in \emph{Bufo bufo} tadpoles},
 journal = {Aquatic Toxicology},
 volume = {91},
 pages = {135--142}
} 

@Article{ReadClar1995,
 author = {C. J. Reading. R. T. Clarke},
 year = {1995},
 title = {The effects of density, rainfall and environmental temperature on body condition and fecundity in the common toad, \emph{Bufo bufo}},
 journal = {Oecologia},
 volume = {102},
 pages = {453-459}
} 

@Misc{EoL,
 howpublished = {\url{http://eol.org/pages/333310/overview}}
} 

@Misc{amphibiaweb,
 howpublished = {\url{https://amphibiaweb.org/species/100}}
}