Volume 26, Issue 1, September 2003, Pages 79-90
10.22055/ppr.2003.12767
A. A. Pourmirza; S. I. Kamali
Volume 22, Issue 1, June 1999, Pages 87-96
10.22055/ppr.1999.12790
R. Eslami Zadeh; A. A. Pormirza