Volume 54, Issue 117, April 2008, Pages 389-396
M.A.H. GHURASHI; A.T.H. SOBAIR; ASHWAG E.A.M.; H.I. SERI
Volume 53, Issue 115, October 2007, Pages 1-10
M.A.H. GHURASHI; A.T.H. SOBAIR; H.I. SERI; ASHWAG E.A.M