Cochran, Karen Anne2021-01-222021-01-2219861986http://libraries.ou.edu/access.aspx?url=http://wwwlib.umi.com/dissertations/fullcit/EP33547https://hdl.handle.net/11244/327341Thesis (M.S.)--University of Oklahoma, 1986Includes bibliographical references.viii, 90 leavesviii, 90 leaves : ill., maps ; 29 cm.engMagnetiteText