@book{207208,
	author = {Matheson, Robert and Memoir; 24},
	title = {A study of the plant lice injuring the foliage and fruit of the apple  /},
	publisher = { Cornell University. Agricultural Experiment Station},
	address = {Ithaca, N.Y. :},
	note = {Encuadernado con otros impresos similares}
}