Jan Mendling Matthias Weidlich Mathias Weske Business Process Modeling Notation - Second International Workshop, BPMN 2010, Potsdam, Germany, October 13-14, 2010. Proceedings 67 2011 http://dx.doi.org/10.1007/978-3-642-16298-5 978-3-642-16297-8 BPMN Lecture Notes in Business Information Processing Springer db/conf/bpmn/bpmn2010.html