@book{29522,
	author = {Chatwin, C. P. and Geological Survey of Great Britain.},
	title = {British regional geology;},
	publisher = {H.M. Stationery Off.,},
	year = {1961.},
	address = {London,},
	edition = {4th ed.},
	note = {At head of title: Dept. of Scientific and Industrial Research, Geological Survey and Museum.}
}