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Dibbern, Jens; Chin, Wynne Wong; Heinzl, Armin Horst (May 2005). The Impact of Human Asset Specificity on the Sourcing of Application Services. Proceedings of the 13th European Conference of Information Systems.
Dibbern, Jens; Brehm, Lars; Heinzl, Armin Horst (January 2002). Rethinking ERP-Outsourcing Decisions for Leveraging Technological and Preserving Business Knowledge. Proceedings of the 35th Annual Hawaii International Conference on System Sciences, pp. 2770-2779. 10.1109/HICSS.2002.994320