@article {747391,
	title = {Stock evaluation of three littoral echinoid species on the Catalan coast (nrth-western Mediterranean)},
	journal = {P.S.Z.N.: Marine Ecology},
	volume = {19},
	year = {1998},
	pages = {163-177},
	author = {C. Palacin and Turon, X. and M Ballesteros and Giribet, G. and Lopez, S.}
}
