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

@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{HuanQing2013,
 doi = {10.1111/jpn.12203},
 author = {Yan Huang and Hong Qing Zhu and Yong Mei Liao and Long Jin and Wen Bo Liao},
 year = {2013},
 title = {Age and body size of the toad Bombina maxima in a subtropical high-altitude population},
 journal = {Herpetological Journal},
 volume = {23},
 pages = {229–232}
} 

@Misc{amphibiaweb,
 howpublished = {\url{https://amphibiaweb.org/cgi/amphib_query?rel-common_name=like&where-scientific_name=Bombina+maxima}}
}