@article{JansenErtmerHilgertetal.2011, author = {Marc Jansen and Hildegard Ertmer and S. Hilgert and Marcus Aretz}, title = {IT.NRW ist das weltweit erste SAP Customer Center of Expertise (CCoE) Advanced im Bereich der {\"o}ffentlichen Verwaltung}, series = {LDVZ Nachrichten}, number = {1}, issn = {1616-377X}, year = {2011}, language = {de} }