@Inproceedings{lenz2004ioepbwlm, address = "Poznan, Poland", author = "Kirsten Lenz and Markus Gr{\"u}ne and Marco Mevius and Kirsten Keferstein and Gottfried Vossen and Andreas Oberweis", booktitle = "Business Information Systems, Proceedings of 7th BIS 2004", editor = "W. Abramowicz", isbn = "83-7417-019-0", month = "April", pages = "214-226", title = "Individualization of E-Learning Processes by Workflow-Based Learning-Object Management", year = "2004", }