Wiebke Reimer Wilhelm Schäfer Thomas Schmal Towards a Dedicated Object-Oriented Software Process Modeling Language. 299-302 1997 conf/ecoopw/1997 ECOOP Workshops https://doi.org/10.1007/3-540-69687-3_60 db/conf/ecoopw/ecoopw97.html#ReimerSS97