TY  - BOOK
AU  - Lucas, Ceil
TI  - The sociolinguistics of sigh languages 
SN  - 521794749
U1  - 306.440872 
PY  - 2001///
CY  - Cambridge ; New York
PB  - Reidel
KW  - Deaf
KW  - Means of communication
KW  - Sociolinguistics
N1  - 000439; CH 439
ER  -