@book{141994,
	author = {Sabrosky, Curtis W. and Whitworth, Terry L.},
	title = {Bird blow flies (protocalliphora) in North America (diptera: calliphoridaae), with notes on the palearctic species /},
	publisher = {The Smithsonian Institution,},
	year = {c1989.},
	address = {Washington :}
}