@book{57208,
	author = {Skog, Laurence E.},
	title = {A study of the tribe Gesnerieae with a revision of Gesneria (Gesneriaceae : Gesnerioideae)},
	publisher = {Smithsonian Institution,},
	year = {1976},
	series = {Smithsonian contributions to botany},
	address = {Washington :}
}