Luciano Baresi Paolo Beretta Roberto Fraccapani Carlo Ghezzi Filippo Pacifici Towards a Model-driven Approach to Develop Applications based on Physical Active Objects. 173-182 2006 conf/apsec/2006 APSEC http://doi.ieeecomputersociety.org/10.1109/APSEC.2006.58 db/conf/apsec/apsec2006.html#BaresiBFGP06