Volume 15, Issue 2, March 2005, Pages 196-202
Mona A. Mahmoud; Wafaa A. Osman; Azza S. A. Goda; A. L. El Naggar
Volume 15, Issue 2, March 2005, Pages 258-261
M. N. El-Sheery
Volume 15, Issue 2, March 2005, Pages 262-267
K.M. Ammar; Nirmeen G. Shafiek; M.S. Wassel
Volume 15, Issue 2, March 2005, Pages 284-288
R. A. Azzam; M. A. Ibrahim; M. S. Magda