Volume 22.1, Issue 43, September 1989, Pages 72-75
M.K. IBRAHIM; MAHMOUD, A.Z.
Volume 21.2, Issue 42, May 1989, Pages 39-43
A.Z. MAHMOUD; M.K. IBRAHIM
Volume 21.2, Issue 42, May 1989, Pages 44-47
M.K. IBRAHIM; MAHMOUD A.Z.
Volume 21.2, Issue 42, May 1989, Pages 48-51
M.K. IBRAHIM; MAHMOUD, A.Z.
Volume 21.2, Issue 42, May 1989, Pages 52-54
MAHMOUD, A.Z.; M.K. IBRAHIM
Volume 21.2, Issue 42, May 1989, Pages 55-58
MAHMOUD A.Z; M.K. IBRAHIM
Volume 21.1, Issue 41, January 1989, Pages 93-96
M.K. IBRAHIM; MAHMOUD A.Z.; R. KHALIFA
Volume 21.1, Issue 41, January 1989, Pages 97-101
MAHMOUD A.Z.; M.K. IBRAHIM
Volume 20.1, Issue 39, May 1988, Pages 136-140
A. EL-SEBAIE; M.K. IBRAHIM; A. NAFADY; A. TAMAWY
Volume 19.1, Issue 37, September 1987, Pages 64-68
A. NAFADY; W. DROMMER; A.Z. MAHMOUD; M.K. IBRAHIM
Volume 18.2, Issue 36, May 1987, Pages 104-108
A.Z. MAHMOUD; M.K. IBRAHIM; A. NAFADY
Volume 18.2, Issue 36, May 1987, Pages 113-117
M.K. IBRAHIM; A.Z. MAHMOUD
Volume 18.1, Issue 35, January 1987, Pages 157-160
M.K. IBRAHIM; A.Z. MAHMOUD; A. NAFADY
Volume 14.1, Issue 27, January 1985, Pages 107-112
A.Z. MAHMOUD; M.K. IBRAHIM; A.H. BAYOUMI
Volume 12.2, Issue 24, September 1984, Pages 145-149
M.K. IBRAHIM
Volume 12.1, Issue 23, May 1984, Pages 130-134
M.K. IBRAHIM; M.S. YOUSSEF
Volume 11.2, Issue 22, January 1984, Pages 81-86
A. BAYOUMI; S. MOUSA; M.K. IBRAHIM; S. DEEP