Volume 16, Issue 2, December 1997, Pages 72-76
Mohammad Reza Saidi; Samad Alihoseinee; Tahereh Saberi; Reza Zadmard
Volume 10, Issue 1, June 1991, Pages 66-78
J.R. Williamson; Shadpour Mallakpour
Volume 9, Issue 1, June 1990, Pages 4-8
Mahmoud Sharifi Moghadam