@book{201327,
	author = {Guyton, T. L.},
	title = {The chrysanthemum gall midge  /},
	address = {:},
	note = {Sobretiro de: Ohio Agri. Exp. Sta. bulletin; 341, 1920. Encuadernado con: Key to gall midges (A resume of studies I-VII, itonididae) by Ephraim Porter Felt                                                 70-219}
}