Michael Fuchs Claudio Muscogiuri Claudia Niederée Matthias Hemmje Digital libraries in knowledge management: an e-learning case study. 31-35 2004 4 Int. J. on Digital Libraries 1 http://dx.doi.org/10.1007/s00799-003-0060-x db/journals/jodl/jodl4.html#FuchsMNH04