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

@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{CussOrtu2002,
 author = {Victor Cussac and Silvia Ortubay},
 year  = {2002},
 title = {Gametogenesis and development of \emph{Gymnocharacinus bergi} ({P}isces, {C}haracidae): reproductive mode relative to environmental stability},
 journal = {Environmental Biology of Fishes},
 volume = {63},
 pages = {289–297}
} 

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