@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}
}
@article {2568,
	title = {An account of some shells and other invertebrate forms found on the coast of Northumberland and Durham.},
	journal = {Annales and Magazine of Natural History},
	volume = {18},
	year = {1846},
	month = {1846},
	pages = {233-255},
	chapter = {233},
	author = {W. King}
}
