%0 Journal Article
%T Guest Editorial
%A Maria Teresa Restivo
%J International Journal of Online Engineering (iJOE)
%D 2009
%I Kassel University Press
%R 10.3991/ijoe.v5s2.1127
%X IRF'09
%U http://www.online-journals.org/index.php/i-joe/article/view/1127