TY  - BOOK
AU  - Cooper,Robert Leon
ED  - Center for applied linguistics.
TI  - Language Spread: Studies in diffusion and social change 
SN  - 0253320003
PY  - 1982///
CY  - Bloomington, Indiana
PB  - Indiana University Press
KW  - Language spread
KW  - Congresses
KW  - Social change
N1  - Includes bibliographical references and index. Published in cooperation with the Center for Applied Linguistics
ER  -