@book{207075,
	author = {Washburn, F. L. and Minnesota. Agr. Exp. Sta. Bull.; 108},
	title = {The so-called green bug and other grain aphids in Minnesota in 1907  /},
	publisher = { University of Minnesota. Agricultural Experiment Station},
	address = {Ramsey County, Minn :},
	note = {Encuadernado con otros impresos similares}
}