@book{201321,
	author = {Larrimer, W. H. and Cartwright, W. B.},
	title = {Determination of the porcentage of infestation by the hessian fly phytophaga destructor say  /},
	address = {:},
	note = {Sobretiro de: Journal of agricultural research 32 (11): 1041-1044, 1926. Encuadernado con: Key toi gall midges (A resume of studies I-VII, itonididae) /by Ephraim Porter Felt                               70-213}
}