Volume 29, Issue 3,4, October 2005, Pages 153-162
Mahammad Basafa; Mahmoud Shakourmahmodi
Volume 28, Issue 1,2, April 2004, Pages 1-8
Mohammad Basafa; Abbas Salehi - Vaziri
Volume 27, Issue 3,4, October 2003, Pages 108-115
Mohammad Basafa; Mashaallah Khanemasjedi