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

@Misc{nlWiki,
 howpublished = {\url{https://nl.wikipedia.org/wiki/Europese_meerval}}
} 

@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{AlpKara2011,
 author = {Alp, A. and Kara, C. and Uckardes, F. and Carol, J. and Garcia-Berthou, E.},
 year  = {2011},
 title = {Age and growth of the {E}uropean catfish (\emph{Silurus glanis}) in a {T}urkish Reservoir and comparison with introduced populations},
 journal = {Rev Fish Biol Fisheries},
 volume = {21},
 pages = {283-294}
} 

@Misc{IUCN,
 howpublished = {\url{http://www.iucnredlist.org/details/40713/0}}
} 

@Misc{ADW,
 howpublished = {\url{http://animaldiversity.ummz.umich.edu/accounts/Silurus_glanis/}}
} 

@Misc{fishbase,
 howpublished = {\url{http://www.fishbase.org/summary/289}}
}