Bibliographic Details
Main Creator:	Johnson, Gerald James.
Format:	Book
Language:	English
Published / Created:	1975.
Notes:	A thesis ... for the degree of Doctor of Philosophy ... Univ. of Iowa. July, 1975. Physical description: 316 p. Reproduction Note: Microfilm of typescript. Ann Arbor, Xerox Univ. Microfilms, 1976. (positive) more