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

@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{JacoBenn2011,
 doi = {10.1111/j.1095-8649.2011.02933.x},
 author = {I. P. Jacobsen and M. B. Bennett},
 year = {2011},
 title  = {Life history of the blackspotted whipray \emph{Himantura astra}},
 journal = {Journal of Fish Biology},
 volume = {78},
 pages = {1249-1268}
} 

@Misc{fishbase,
 howpublished = {\url{https://www.fishbase.de/summary/Maculabatis-astra.html}}
}