@book{151586,
	author = {Harak, A.E. and United States of America. Department of the Interior and Dockter, L.},
	title = {Some results from the operation of a 150 - ton oil shale retort},
	publisher = {Bureau of Mines},
	year = {1971},
	series = {Bureau of Mines Oil Shale Program. Technical Progress Report},
	address = {United States of America}
}