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

@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{Akyo2003,
 author = {Akyol, O.},
 year = {2003},
 title = {Age, growth and reproduction period of grass goby (\emph{Zosterisessor ophiocephalus} {P}allas 1811) in the {B}ay of {I}zmir ({A}egean {S}ea)},
 journal = {Arch. Fish. Mar. Res.},
 volume = {50(2)},
 pages = {220-224}
} 

@Misc{fishbase,
 howpublished = {\url{https://fishbase.mnhn.fr/summary/Gobius-ophiocephalus.html}}
}