Volume 78, Issue 2, June 2000, Pages 877-892
KAMEL M. E. MOHAMMED; SAYED T. ISMAIL; YAHUA REZK; MAHMOUD S. TAWFIK
Volume 78, Issue 1, March 2000, Pages 427-436
KAMEL M. E. MOHAMMED; TAHA S. ISMAIL; YAHYA M. ABBOUD; MAHMOUD S. TAWFIK