@inbook {93,
	title = {Sea urchins, starfish and sea cucumbers (Phylum Echinodermata)},
	booktitle = {Handbook of the Marine Fauna of North-West Europe},
	year = {1995},
	pages = {662-686},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	address = {Oxford},
	author = {Moyse, J. and Tyler, P A},
	editor = {Hayward, P.J. and Ryland, J. S.}
}
