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Lehmann, L., Rensing, C. & Steinmetz, R. (2007). Lifecycle Information Management and Utilization in an Authoring by Aggregation Environment. In C. Montgomerie & J. Seale (Eds.), Proceedings of ED-MEDIA 2007--World Conference on Educational Multimedia, Hypermedia & Telecommunications (pp. 3142-3149). Vancouver, Canada: Association for the Advancement of Computing in Education (AACE).