Volume 20.1, Issue 39, May 1988, Pages 60-65
L. SEDDIK; A. A. EL-TIMAWY; M. Y. EL-TAHTAWY; M.M. ZAKI; NABILA RASHWAN
Volume 11.1, Issue 21, June 1983, Pages 98-109
I. SEDDIK; A.A. EL-TIMAWY; S. EL-AMROUSI; M.M. ZAKI; T. EL-ALLAWY
Volume 10.1, Issue 19, June 1982, Pages 81-86
I. SEDDIK; M.M. ZAKI