Volume 16, Issue 3, January and February 2008, Pages 123-132
P. Nejatkhah; H. Negarestan; N. Akbari hamed
Volume 12, Issue 2, September and October 2003, Pages 95-110
P. Nijatkhah manavi; Sh. Oryan; A. Rostaeian; R. Naghshine; S.M. Fatemi