TY  - BOOK
AU  - Wasserman,Robert David,1945-.
TI  - Theories of linguistic variation
SN  - 910040599
PY  - 1976///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Language and langueges
KW  - Variation
KW  - Linguistic change
N1  - Thesis (Ph.D.) - Indiana University, 1976
ER  -