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

@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{Liao2011,
 author = {Wen Bo Liao},
 year = {2011},
 title = {A skeletochronological estimate of age in a population of the {S}iberian Wood Frog, \emph{Rana amurensis},
 from northeastern {C}hina},
 journal = {Acta Herpetologica},
 volume = {6(2)},
 pages = {237-245}
} 

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