Markus Heller Manfred Nagl René Wörzberger Thomas Heer Dynamic Process Management Based upon Existing Systems. 711-726 2008 Results of the IMPROVE Project http://dx.doi.org/10.1007/978-3-540-70552-9_34 series/lncs/4970 db/series/lncs/lncs4970.html#HellerNWH08