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

@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{HerrFern1994,
 author = {M. Herrera and C. Fern\'{a}ndez-Delgado},
 year = {1994},
 title = {The age, growth and reproduction of \emph{Chondrostoma polylepis willkommi} in a seasonal stream in the {G}uadalquivir {R}iver basin (southern {S}pain)},
 journal = {Journal of Fish Biology},
 volume = {44},
 pages = {11-22}}
} 

@Misc{fishbase,
 howpublished = {\url{https://www.fishbase.de/summary/Pseudochondrostoma-polylepis.html}}
} 

@Misc{ittiofauna,
 howpublished = {\url{http://www.ittiofauna.org/webmuseum/pesciossei/cypriniformes/cyprinidae/pseudochondrostoma/pseudochondrostoma_polylepis/p_polylepis_big_1.htm}}
}