@book{24890,
	author = {Fernald, Robert Heywood,},
	title = {Recent development of the producer-gas power plant in the United States /},
	publisher = {Govt. Print. Off.,},
	year = {1909.},
	series = {U.S. Geological survey. Bulletin 416},
	address = {Washington,},
	note = {Issued also as House doc. no. 366, 61st Cong., 2d sess.}
}