Volume 28.2, Issue 56, January 1993, Pages 255-263
A.A. MOTTELIB; A.M. AMMAR; M. MAGZOUB
Volume 28.1, Issue 55, October 1992, Pages 206-214
M. MAGZOUB; O.H. OMER; E.M. HAROUN; A.A. MOTTELIB
Volume 28.1, Issue 55, October 1992, Pages 215-223
A.A. MOTTELIB; E.M. HAROUN; M. MAGZOUB; E. EL-BASHEER
Volume 26.1, Issue 51, October 1991, Pages 148-160
M. MAGZOUB; E.M. EL HASSAN; A.A. MOTTELIB