Dominic Breuker Daniel Pfeiffer Jörg Becker Reducing the Variation in Intra- and Interorganizanional Business Process Modeling - An Empirical Evaluation. 203-212 2009 Wirtschaftsinformatik (1) conf/wirtschaftsinformatik/2009-1 db/conf/wirtschaftsinformatik/wi2009-1.html#BreukerPB09