SLR '87 : papers from the Fourth International Symposium on Sign Language Research, Lappeenranta, Finland July 15-19, 1987
W.H. Edmondson & F. Karlsson (eds.)
(Internationale Arbeiten zur Gebärdensprache und Kommunikation Gehörloser, v. 10)
Signum-Press, c1990
Includes bibliographical references