@book{81686,
	title = {A revised classification of the piophilidae, including,  Neottio philidae  and  Thyreophoridae  (DiperaSchizophora)},
	publisher = {Entomological Society of Canada},
	year = {1977},
	series = {Memoirs of the Entomological Society of Canada; no.10},
	address = {Ottawa}
}