Volume 31.1, Issue 61, April 1994, Pages 190-199
S. FATHI; T. EL-KHATEIB; SABAH MOUSTAFA; K. HASSANEIN
Volume 31.1, Issue 61, April 1994, Pages 200-208
A LOTFI; T. EL-KHATEIB; S. FATHI; H. YOUSSEF; M. SAID
Volume 22.1, Issue 43, September 1989, Pages 100-105
Y. HEFNAWY; SABAH MOUSTAFA; S. FATHI
Volume 22.1, Issue 43, September 1989, Pages 106-112
Y. HEFNAWY; SABAH MOUSTAFA; S. FATHI