Anders Carstensen Lennart Holmberg Kurt Sandkuhl Supporting Collaboration in an Extended Enterprise with the Connector View on Enterprise Models. 111-126 2008 PoEM http://dx.doi.org/10.1007/978-3-540-89218-2_9 conf/ifip8-1/2008 db/conf/ifip8-1/poem2008.html#CarstensenHS08