Volume 15, Issue 3, November and December 2005, Pages 60-65
Mahmoud Pakshir; Ali Moalem; Abbas Ali Nazarboland; Shahram Abbasi
Volume 13, Issue 1, May 2002, Pages 42-48
10.22093/wwj.2002.175996
M Pakshir; A. A Nazarboland; A. R Ahmadi