On the nature of linguistic variation:
Berdan, Robert Homer, 1943-
On the nature of linguistic variation: [microform] / by Robert Homer Berdan. - Ann Arbor, Mich. : University Microfilms International, 1975. - 1 microfilm reel : positive ; 35 mm.
Thesis (Ph.D.) - University of Texas, 1975.
Linguistics--Methodology.
Language and languages--Variation.
On the nature of linguistic variation: [microform] / by Robert Homer Berdan. - Ann Arbor, Mich. : University Microfilms International, 1975. - 1 microfilm reel : positive ; 35 mm.
Thesis (Ph.D.) - University of Texas, 1975.
Linguistics--Methodology.
Language and languages--Variation.