TY  - BOOK
AU  - Lucas,Ceil
TI  - Sign language research: theoretical issues 
SN  - 0930323580
AV  - HV2474. S57 1990
U1  - 419 
PY  - 1990///
CY  - Washington, D.C.
PB  - Gallaudet University Press
KW  - Sign language
KW  - Congresses
N1  - Includes bibliographical references and index
ER  -