@book{205804,
	author = {Harman, S. W. and New York. Agr. Exp. Sta. Bulletin; 552},
	title = {Midsummer sprays for the peach cottony scale  /},
	publisher = { Agricultural Experiment Station, 1928},
	address = {Geneva, N. Y.  :},
	note = {Encuadernado con otros impresos similares}
}