TY - CONF A1 - Wagner, Gerd A1 - Nicolae, Oana A1 - Werner, Jens T1 - Extending Discrete Event Simulation by Adding an Activity Concept for Business Process Modeling and Simulation Y1 - 2011 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/6228 ER -