Hemmje, M., Niederee, C., & Risse, T. (2005). From integrated publication and information systems to information and knowledge environments: Essays dedicated to Erich J. Neuhold on the Occasion of His 65th Birthday. Springer.

Hemmje, Matthias, Claudia Niederee, and Thomas Risse. From Integrated Publication and Information Systems to Information and Knowledge Environments: Essays Dedicated to Erich J. Neuhold on the Occasion of His 65th Birthday. Berlin Heidelberg: Springer, 2005.

Hemmje, Matthias, et al. From Integrated Publication and Information Systems to Information and Knowledge Environments: Essays Dedicated to Erich J. Neuhold on the Occasion of His 65th Birthday. Springer, 2005.