Volume 33, Issue 1, March 2008, Pages 61-67
N. A. El-Hamshary; Tawfik El-Midany; Ibrahim Mohamed Ibrahim Eliwa Amar; A. S. Gad El-Mawla; O. B. Abouelatta
Volume 29, Issue 1, March 2004, Pages 13-24
N. Elhamshary; Ossama Badie Shafik Abouelatta; Ibrahim Mohamed Ibrahim Elewa Amar; Elamir Samy Gadelmawla