Eman Hossny Abdelghony, 25 Jan 2015 plz, i need this paper http://link.springer.com/chapter/10.1007/978-3-319-11692-1_4 link.springer.com
Lewaeldin Abdelazim, 10 Jan 2015 please i need this http://link.springer.com/chapter/10.1007%2F978-3-319-11692-1_12 link.springer.com