Volume 21, Issue 2, June 2008, Pages 113-131
M. Jamialahmadi; A. A. Safekordi; S. A. Alavi Fazel
Volume 15, Issue 1, April 2002, Pages 1-10
A. A. Safekordi; Iran Alemzadeh; S. Yaghmaei; M. Vossoughi