Volume 20, Issue 5, January and February 2008, Pages 417-428
10.22063/jipst.2007.734
G. Pircheraghi; S. Pourmahdian; M. Vatankhah
Volume 6, Issue 2, May and June 1993
10.22063/jipst.1993.147
F.Afshar Taromi
Volume 5, Issue 4, November and December 1992
10.22063/jipst.1992.133
S. Pourmahdian