TY - JOUR AU - Conrad Bock C2 - Journal of Object Technology DA - 2004-01-01 DO - https://doi.org/10.5381/jot.2003.2.6.c1 LA - en M1 - 2 PB - Journal of Object Technology PY - 2004 TI - UML 2 Activity and Action Models, Part 3: Control Nodes ER -