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

@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{AparSost1998,
 author = {Aparicio, E. and A. de Sostoa},
 year = {1998},
 title = {Reproduction and growth of \emph{Barbus haasi} in a small stream in the northeast of the {I}berian peninsula},
 journal = {Arch. Hydrobiol.},
 volume = {142(1)},
 pages = {95-110}
} 

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