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

@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{Cowl1997,
 doi = {10.2989/025776197784161054},
 author = {P. D. Cowley},
 year = {1997},
 title  = {Age and growth of the blue stingray \emph{Dasyatis chrysonota chrysonota} from the {S}outh-{E}astern {C}ape coast of {S}outh {A}frica},
 journal = {South African Journal of Marine Science},
 volume = {18(1)},
 pages = {31-38}
} 

@phdthesis{Cowl1990,
 author = {P. D. Cowley},
 year = {1990},
 title  = {The taxonomy and life history of the blue stingray \emph{Dasyatis marmorata capensis} ({B}atoidea: {D}asyatidae) from southern {A}frica},
 school = {Rhodes University, Grahamstown}
} 

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