Volume 42, Issue 4, August 2008, Pages 391-406
Ahmad Aftabi Sani; Vahid Lotfi
Volume 41, Issue 6, January 2008, Pages 683-697
Babak Poursartip; Vahid Lotfi
Volume 41, Issue 1, March 2007, Pages 1-10
Seyyed Asghar Arjmandi; Vahid Lotfi
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