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

@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{FernHerr1995,
 author = {C. Fern\'{a}ndez-Delgado and M . Herrera},
 year = {1995},
 title = {Age structure, growth and reproduction of \emph{Leuciscus pyrenaicus} in an intermittent stream in the {G}uadalquivir river basin, southern {S}pain},
 journal = {Journal of Fish Biology},
 volume = {46},
 pages = {371-380}
} 

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