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

@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{Dahm1993,
 author = {C. Dahm},
 year = {1993},
 title = {Growth, production and ecological significance of \emph{Ophiura albida} and \emph{O. ophiura} ({E}chinodermata: {O}phiuroidea) in the {G}erman {B}ight},
 journal = {Marine Biology},
 volume = {116},
 pages = {431--437}
} 

@Misc{marlin,
 howpublished = {\url{http://www.marlin.ac.uk/biotic/browse.php?sp=6187}}
}