@book{28510,
	author = {Taylor, James Howard.},
	title = {Petrology of the Northampton sand ironstone formation.},
	publisher = {H. M. Stationery Off.,},
	year = {1949.},
	series = {Memoirs of the Geological Survey of Great Britain: The Mesozoic ironstones of England},
	address = {London,}
}