Description |
vi, 124 p : ill., graphs, tables. |
Thesis |
Thesis (Ph. D.)--University of Chicago, 1969. |
Bibliography |
Bibliography: p. 69-71. |
Reproduction |
Microfilm. Chicago, Ill : University of Chicago, Joseph Regenstein Library, Dept. of Photoduplication, [1969]. 1 microfilm reel ; 35 mm. |
|