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

@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{Sylv1957,
 author = {De Sylva, D},
 year = {1957},
 title = {Studies on the age and growth of the {A}tlantic sailfish, \emph{Istiophorus americanus} ({C}uvier), using length-frequency curves},
 journal = {Bull, Mar. Sci. Gulf Caribb.},
 volume = {7(1)},
 pages = {1-20}
} 

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

@Misc{marinebio,
 howpublished = {\url{http://marinebio.org/species.asp?id=146}}
}