Volume 31, Issue 1, September 2008, Pages 99-110
10.22055/ppr.2008.12717
H. Ghahari; H. Ostovan; M. Tabari; H. Sakeneyn; M. Hajiamiri
Volume 26, Issue 2, March 2004, Pages 51-62
10.22055/ppr.2004.12765
H. Ghahari; B. Tenhumberg