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

@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{KakaKoba2008,
 author = {Tomasz Kakareko and Jaros{\l}aw Kobak and Janusz Terlecki and Marcin Hadowski},
 year = {2008},
 title = {External morphology and growth rate of white-eye bream \emph{Ballerus sapa} ({C}yprinidae, {T}eleostei) in a lowland dam reservoir on the lower {V}istula {R}iver ({W}{\l}oc{\l}awek Reservoir, central {P}oland)},
 journal = {Folia Zool.},
 volume = {57(4)},
 pages = {435–451}
} 

@Misc{fishbase,
 howpublished = {\url{http://www.fishbase.se/summary/Ballerus-sapa.html}}
}