@book{9988,
	author = {Back, E. A.},
	title = {Psocids, annoying house pests ...},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1939]},
	series = {U.S. Dept. of agriculture. Leaflet},
	address = {[Washington,},
	note = {"By E.A. Back."--p. 2.}
}