@book{28750,
	author = {Hollingworth, Sydney Ewart, and Taylor, James Haward,},
	title = {The Northampton sand ironstone:},
	publisher = {H. M. Stationery Off.},
	year = {1951.},
	series = {Memoirs of the Geological Survey of Great Britain. The Mesozoic ironstones of England},
	address = {London,},
	note = {At head of title: Dept. of Scientific and Industrial Research.}
}