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

@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{DuinJenn1984,
 author = {G. C. A. Duineveld and M. I. Jenness},
 year = {1984},
 title = {Differences in growth rates of the sea urchin \emph{Echinocardium cordatum} as estimated by the parameter o of the von {B}ertalanffy equation applied to skeletal rings},
 journal = {Mar. Ecol. Prog. Ser.},
 volume = {19},
 pages = {65--72}
} 

@Article{Kash2007,
 author = {S. D. Kashenko},
 year = {2007},
 title = {Adaptive Responses of Embryos and Larvae of the Heart-Shaped Sea Urchin \emph{Echinocardium cordatum} to Temperature and Salinity Changes},
 journal = {Russian Journal of Marine Biology},
 volume = {33},
 number = {6},
 pages = {381-390}
} 

@Article{Buch1966,
 author = {J. B. Buchanan},
 year = {1966},
 title = {The biology of \emph{Echinocardium cordatum} [{E}chinodermata: {S}patangoidea] from different habitats},
 journal = {J. Mar. Biol. Assoc. UK},
 volume = {46},
 number = {1},
 pages = {97--114}
} 

@Misc{BIOTIC,
 howpublished = {\url{http://www.marlin.ac.uk/biotic/browse.php?sp=4248}}
} 

@Misc{Kooy2017,
 author = {S. A. L. Kooijman},
 year = {2017},
 note = {personal measurement}
}