Volume 25, Issue 47, July 2009, Pages 59-62
A. Afshar; M. Yari; B. Rassekh
Volume 19, No. 24, March 2003, Pages 33-39
A. Afshar; M. Yari
Volume 17, No . 19, March 2001, Pages 50-56
A. Afshar