Volume 54, Issue 3, September and October 2010, Pages 143-149
Ali Asghar Dadgar; Mohammad Tayeby; Amirhossein Shakiba Herfeh; Mahsa Hassanzadeh Bashtian
Volume 51, Issue 4, November and December 2008, Pages 215-218
Mahmoud Ebrahimi; Mohammad reza Abolfazli