@book{201756,
	author = {Shannon, Raymond C.},
	title = {The crysotoxine syrphid-flies  /},
	address = {:},
	note = {Sobretiro de: Proceedings U. S. National Museum 69 (2637): 1-20                 Encuadernado con: Notes on american two-winged flies of the family sapromyzidae/ by J. R Malloch                                74-58}
}