@book{151581,
	author = {Barker, L.K. and United States of America. Department of the Interior and Cottingham, P.L.},
	title = {Refining improvement of shale-oil naphtha},
	publisher = {Bureau of Mines},
	year = {1973},
	series = {Bureau of Mines Report of Investigations},
	address = {United States of America}
}