Volume 37, Issue 1, March and April 2013, Pages 69-73
M. R. Farhangdoost; T. Nasirzade
Volume 36, Issue 3, May and June 2012, Pages 293-298
M. R. Farhangdoost
Volume 35, Issue 1, January and February 2011, Pages 53-56
M. R. Farhangdoost; H. Radmanesh