Volume 26, Issue 2, June 2007, Pages 41-51
Ahmad Rouhollahi; Hossein Tavakoli; Shahzad Nayebi; Jahanbakhsh Ghasemi; Mohammad Noroozi; Majid Hashemi
Volume 16, Issue 2, December 1997, Pages 59-62
Ahmad Rouhollahi; Mohammad Reza Ganjali; Abolghasem Moghimi; Mojtaba Shamsipur