TY  - BOOK
AU  - Lieberson,Stanley, x
AU  - x
TI  - Language diversity and language contact : x
SN  - 0804710988
U1  - 400/L784 l  
PY  - 1981///
CY  - California 
PB  - Stanford Univers. Press
KW  - language and languages
KW  - Language and languages
ER  -