Volume 23, Issue 1, January 2009, Pages 59-75
Ahmed, A. M. Atia; Mohamed, H.M., Atwa
Volume 23, Issue 1, January 2009, Pages 76-86
Ahmed, A. M. Atia; S.K.A. Ismail
Volume 23, Issue 1, January 2009, Pages 80-101
Mohamed, H.M., Atwa; Ahmed, A. M. Atia; Yehia, M. Osman