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

@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{CheoPark2007,
 doi = {10.1139/z96-216},
 author = {Cheong, Seokwam and Daesik Park and Ha-Cheo Sung and Jung Hyun Lee and Shi-Ryong Park},
 year = {2007},
 title = {Skeletochronological age determination and comparative dempgraphic analysis of two populations of the gold-spotted pond frog (\emph{Rana chosenica})},
 journal = {J. Ecol. Field Biol.},
 volume = {30(1)},
 pages = {57-62}
}