From Integrated Publication and Information Systems to Information and Knowledge Environments : Essays Dedicated to Erich J. Neuhold on the Occasion of His 65th Birthday - Hemmje, Matthias (Herausgeber); Niederee, Claudia (Herausgeber); Risse, Thomas (Herausgeber) (Information Systems and Applications, incl. Internet/Web, and HCI, 2005)