Volume 20, Issue 4, January and February 2010, Pages 24-29
Naser Jamshidi; Ali Torabian; AliAkbar Azimi; Gholam Reza Nabi Bidhendi; Mohamad Taghi Jafarzadeh
Volume 17, Issue 3, September and October 2006, Pages 75-83
Hossein Movahedian Attar; Reza Rezaee