Giacomo Piccinelli Christian Zirpins Winfried Lamersdorf 120-126 2003 conf/saint/2003w SAINT Workshops https://doi.org/10.1109/SAINTW.2003.1210139 https://doi.ieeecomputersociety.org/10.1109/SAINTW.2003.1210139 db/conf/saint/saint2003w.html#PiccinelliZL03