Volume 13, Issue 1, January 1990, Pages 64-72
10.22055/ppr.1989.12830
M. S. Mossadegh
Volume 12, Issue 1, August 1988, Pages 62-76
10.22055/ppr.1988.12855
Volume 6, Issue 1, July 1979, Pages 52-68
10.22055/ppr.1979.12885
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