Volume 73, Issue 10, October 2018, Pages 7707-7712
Hany M. Bayoumy; Ihab A. El-shaikh; Nour-eldeen A. Salah
Volume 73, Issue 10, October 2018, Pages 7814-7820
Hassan Elsayed El-Baz; Mostafa Mahmoud Mostafa; Ahmed Abdel Moniem Abdel Karim