@inbook {2569,
	title = {Preliminary observations on settlement growth in populations of Alcyonidium hirsutum (Fleming).},
	booktitle = {Living and Fossil Bryozoa},
	year = {1973},
	pages = {107-113},
	publisher = {Academic Press},
	organization = {Academic Press},
	address = {London},
	author = {P.J. Hayward}
}
