TY  - GEN
AU  - Dil, Anwer S.
AU  - Lieberson, Stanley
TI  - Language diversity and language contact
SN  - 0804710988
U1  - 372.6 
PY  - 1981///
CY  - Stanford
PB  - Oxford University Press
KW  - ethnic diversity
KW  - Language
KW  - mother-tongue diversity
ER  -