Modern Communication Instruments for the Imparting of Sustainable Management - By the Example of an Avatar. - Rudolph Braun; Valentin Nicolescu; Helmut Krcmar; Werner F. Schulz; Martin Kreeb (EnviroInfo, 2003)

An Open-Source Community for Building Ecological Tools. - Rudolph Braun; Markus Russ; Werner F. Schulz; Helmut Krcmar; Martin Kreeb (EnviroInfo, 2003)

Good-Practice-Examples and Indicators: Internet-based solutions for the Sustainable Management. - Rudolph Braun; Markus Russ; Werner F. Schulz; Helmut Krcmar; Martin Kreeb (EnviroInfo (1), 2004)

The Balance Knowledge Management Model - an Approach to Anchor Sustainability in Mass Media by the Web Based Tool B°CON. - Markus Russ; Werner F. Schulz; Martin Kreeb (EnviroInfo, 2006)