Volume 28.1, Issue 55, October 1992, Pages 233-241
A.A. DAKKA; M.F. RAGHIB; A.H. SADIEK
Volume 27.2, Issue 54, July 1992, Pages 148-153
A.A. DAKKA; A.H. SADIEK; A.A. AAMER
Volume 27.2, Issue 54, July 1992, Pages 168-172
M.N. ABD—EL—SALAM; H.S. ALI; M.I. MOURAD; A.A. DAKKA; A.M. ZAITOUN