Volume 33.1, Issue 65, April 1995, Pages 73-81
M.A. KOBEISY; M.N. ABD EL-ATI
Volume 30.1, Issue 59, October 1993, Pages 52-63
M.A. KOBEISY; Th. S. ABD EL-ALL
Volume 27.1, Issue 53, April 1992, Pages 111-122
M.A. KOBEISY; E.M. IBRAHIM; M.M. SHETAEWI