Stefan Blumenberg Daniel Beimborn Wolfgang König Determinants of IT Outsourcing Relationships: A Conceptual Model. 12 2008 conf/hicss/2008 HICSS http://doi.ieeecomputersociety.org/10.1109/HICSS.2008.119 db/conf/hicss/hicss2008.html#BlumenbergBK08