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

@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{VasiEcon2005,
 author = {Vasiliou, A. and P.S. Economidis},
 year = {2005},
 title = {On the life-history of \emph{Barbus peloponnesius} and \emph{Barbus cyclolepis} in {M}acedonia, {G}reece},
 journal = {Folia Zoologica},
 volume = {54(3)},
 pages = {316-336}
} 

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