Volume 21, Issue 2, March and April 2013, Pages 159-164
Z. Faal
Volume 17, Issue 1, January and February 2008, Pages 133-138
A. Mayar; A. Bozorgnia; J. Pazoki; M. Barzegar; M. Masomian; B. Jalali
Volume 15, Issue 3, November and December 2007, Pages 1-8
H. Esmaeili; A. Teimori