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

@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{CazoSido2011,
 doi = {10.1111/j.1439-0426.2010.01574.x},
 author = {A. Lopez Cazorla and N. Sidorkewicj},
 year = {2011},
 title = {Age, growth and reproduction in creole perch (\emph{Percichthys trucha}) in the {N}egro {R}iver, {A}rgentinean {P}atagonia},
 journal = {Journal of Applied Ichthyology},
 volume = {27(1)},
 pages = {30–38}
} 

@Misc{fishbase,
 howpublished = {\url{https://www.fishbase.se/summary/Percichthys-trucha.html}}
}