Antero Järvi Tuomas Mäkilä Harri Hakonen Changing Role of SPI - Opportunities and Challenges of Process Modeling. 135-146 2006 conf/eurospi/2006 EuroSPI http://dx.doi.org/10.1007/11908562_13 db/conf/eurospi/eurospi2006.html#JarviMH06