@book{11227,
	author = {Baker, W. A. and Bradley, W. G.},
	title = {Biological control of the European corn borer in the United States /},
	publisher = {U.S. Dept. of Agriculture,},
	year = {1949.},
	series = {Technical bulletin / United States Department of Agriculture ;},
	address = {Washington :},
	note = {Cover title.}
}