Volume 43.1, Issue 85, April 2000, Pages 186-198
Olfat A. Mahdy; W.M. Mousa; Omnia M. Kandil
Volume 43.1, Issue 85, April 2000, Pages 199-209
W.M. Mousa; Olfat A. Mahdy; Omnia M. Kandil
Volume 42.1, Issue 83, October 1999, Pages 29-37
Omnia M. Kandil; Salwa M. Habeeb; M.M.I. Nassar