@book{207318,
	author = {Essig, E.O. and Procedings of the California Academyc of Sciences 8},
	title = {Some japanese aphididae  /},
	note = {Sobretiro de: Proc. Cal. Acad. Sc. 8 (3): 35-112, 1918. Encuadernado con otros impresos similares}
}