Richard Helmer

Open Microphone - Closing Reception 2008 Vogt Symposium

Brian Mullen, John Madden, Richard J. E. Taylor, 2008 .

Legal and regulatory instruments for the control of water pollution

Richard Helmer, 2010 .

Drinking-water quality control: WHO cares about rural areas

Richard Helmer, 1989 .

Activity interface for physical activity motivating games

Shlomo Berkovsky, Mac Coombe, Richard Helmer, 2010, IUI '10.