@book{32518,
	author = {Mathis, Wayne N.},
	title = {Studies of Psilapinae (Dipetera: Ephydridae), I.: a revision of the Shore, fly genus placopsidella Kertsz},
	publisher = {Smithsonian Institution,},
	year = {1986},
	series = {Smithsonian contributions to zoology},
	address = {Washington :}
}