TY  - BOOK
AU  - Berdan,Robert Homer
TI  - On the nature of linguistic variation
PY  - 1975///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Linguistics
KW  - Methodology
KW  - Language and languages
KW  - Variation
N1  - Thesis (Ph.D.) - University of Texas, 1975
ER  -