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

@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{Abde1992,
 author = {S. H. Abdel-Aziz},
 year = {1992},
 title  = {The use of vertebral rings of the brown ray \emph{Raja miraletus} ({L}innaeus, 1758) off the {E}gyptian {M}editerranean coast for estimation of age and growth},
 journal = {Cybium},
 volume = {16(2)},
 pages = {121-132}
} 

@Misc{fishbase,
 howpublished = {\url{http://www.fishbase.org/summary/Raja-miraletus.html}}
}