Schmitz, C., Staab, S., Studer, R., Stumme, G. & Tane, J.
(2002).
Accessing Distributed Learning Repositories through a Courseware
Watchdog.
In M. Driscoll & T. Reeves (eds.),
Proc. of E-Learning 2002 World Conference on E-Learning in Corporate, Government, Healthcare and Higher Education on (E-Learning 2002) (p./pp. 909-915),
Norfolk.