Volume 17, Issue 1, January and February 2008, Pages 31-44
A. Jorfi; F. Amini; A. Ghorshi; R. Seyed mortezaei
Volume 9, Issue 3, March and April 1999, Pages 67-80
J. Marammazi
Volume 8, Issue 3, March and April 1998, Pages 23-36
Gh. Eskandari; H. Safikhani; J. Marammazi