@book{27530,
	author = {Buchan, Stevenson,},
	title = {The water supply of the county of London from underground sources,},
	publisher = {H.M. Stationery off.,},
	year = {1938.},
	series = {Gt. Brit. Geological survey.  Memoirs of the Geological survey of Great Britain, England and Wales},
	address = {London,},
	note = {At head of title: Dept. of scientific and industrial research.}
}