Volume 47.1, Issue 93, April 2002, Pages 163-174
Sanaa Abdo-El Shany; Shahera M.R. Abd El-Hassib; A.H. Bayoumi
Volume 43.2, Issue 86, July 2000, Pages 338-349
Sanaa A. El-Shamy; Sohair Z. Hussein; A.H. Bayoumi
Volume 41.1, Issue 81, April 1999, Pages 45-59
Shahera M.R. Abdel Haseeb; A.H. Bayoumi; Sanaa A.H. El-Shamy