@book{201135,
	author = {Baker, Arthur Challen},
	title = {Our birch symydobius distinct from the european (aphididae-hom.)  /},
	address = {:},
	note = {Sobretiro de: Canadian entomologist: 318-320,1918. Encuadernado con: Rosy apple aphis/ by A. C. Baker}
}