@book{2812,
	author = {Dahlem Workshop on Sign Language and Spoken Language--Biological Constraints on Linguistic Form and Bellugi, Ursula, and Stifterverband für die Deutsche Wissenschaft.},
	title = {Signed and spoken language--biological constraints on linguistic form :},
	publisher = {Verlag Chemie,},
	year = {1980.},
	address = {Weinheim ;},
	note = {Sponsored by: Stifterverband für die Deutsche Wissenschaft and Senat der Stadt Berlin.}
}