Carlo Batini Enrico Bertini Marco Comerio Andrea Maurino Giuseppe Santucci Visual languages and quality evaluation in multichannel adaptive information systems. 513-522 2007 18 J. Vis. Lang. Comput. 5 http://dx.doi.org/10.1016/j.jvlc.2007.08.001 db/journals/vlc/vlc18.html#BatiniBCMS07