@book{2540,
	author = {Wilbur, Ronnie Bring. and Wilbur, Ronnie Bring.},
	title = {American sign language :},
	publisher = {Little, Brown,},
	year = {c1987.},
	address = {Boston :},
	edition = {2nd ed.},
	note = {Rev. ed. of: American sign languages and sign systems. c1979.}
}