Volume 29, June 2006, June 2006, Pages 1-11
Ahmed R Afify; Ahmed A El Bialy; Yasser L A Mahmoud
Volume 29, June 2006, June 2006, Pages 25-40
Ahmed R Afify
Volume 29, June 2006, June 2006, Pages 63-77
Hisham I Osman; Ahmed R Afify