Volume 49, Issue 99, October 2003, Pages 113-126
A.A. Sharkawy; Kh.A. Abdou; H.M. Omar
Volume 49, Issue 96, January 2003, Pages 44-72
M.M.M. Abd-Elnaeim; A. El-Din Zain; H.M. Omar
Volume 49, Issue 96, January 2003, Pages 293-310
A. El-Din Zain; H.M. Omar
Volume 40.1, Issue 79, October 1998, Pages 250-253
H.M. Omar; Nesren E. Mahmoud; M.M. Fahmy
Volume 39.1, Issue 77, April 1998, Pages 201-223
A. El-Din Zain; H.M. Omar