Restricted exchange systems
By: by Norman Braun.
Published: 1992
Language: eng
Format: Microform
Number of pages: 145
Notes: Microfilm. Chicago, Ill. : University of Chicago, Joseph Regenstein Library, Dept. of Photoduplication, 1992. 1 microfilm reel ; 35 mm.
Thesis (Ph. D.)--University of Chicago, 1992.