@book{19933,
	author = {SMITH,Frank and Landsberg, Marge E.,},
	title = {The Genesis of language :},
	publisher = {Mouton de Gruyter,},
	year = {1988.},
	address = {Berlin ;},
	note = {Selected papers from the Symposium on the Origins of Language held during Phase II of the XIth International Congress of Anthropological and Ethnological Sciences, August 20-23, 1983, Vancouver, B.C., Can.}
}