Volume 15, AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 15 – May 28 - 30, 2013, May 2013, Pages 1-15
S. A. El-Bahloul; H. E. El-Shourbagy; M. Y. Al-Makky; T. T. El-Midany
Volume 9, ASAT Conference, 8-10 May 2001, May 2001, Pages 1-9
EL-AXIR M. H.; El-Masry A. A.; MASHAL Y. A-H.