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

@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{Robo1981,
 author = {P. W. J. Robotham},
 year = {1981},
 title = {Age, growth and reproduction of a population of spined loach, \emph{Cobitis taenia} ({L}.)},
 journal = {Hydrobiologia},
 volume = {85},
 pages = {129--136}
} 

@Misc{fishbase,
 howpublished = {\url{http://www.fishbase.org/summary/6378}}
}