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

@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{YigiIsme2012,
 author = {C. C. Yigin and A. Ismen},
 year = {2012},
 title  = {Age, growth and reproduction of the common stingray, \emph{Dasyatis pastinaca} from the {North Aegean Sea}},
 journal = {Marine Biology Research},
 doi = {10.1080/17451000.2012.659667},
 volume = {8},
 pages = {644--653}
} 

@Misc{AnAge,
 howpublished = {\url{http://genomics.senescence.info/species/entry.php?species=Dasyatis_pastinaca}}
} 

@Misc{fishbase,
 howpublished = {\url{http://www.fishbase.se/summary/25629}}
}