Drained-field agriculture in southwest Tlaxcala, Mexico
By: by Gene Cady Wilken
Published: 1968
Language: eng
Format: [microform] /
Number of pages: 143
Subjects: Agriculture
Notes: Microfilm of typescript. Ann Arbor, Mich. : University Microfilms [1968] -- 1 reel. ; 35 mm.

Thesis (Ph.D.)--University of California, Berkeley, 1967.

Bibliography: leaves 133-143.