@book{12507,
	author = {Harris, Thomas Maxwell, and Reid, Clement, and British Museum (Natural History).},
	title = {British Purbeck Charophyta, /},
	publisher = {Printed by order of the Trustees of the British museum,},
	year = {1939.},
	address = {London :},
	note = {At head of title: British museum (Natural history)}
}