1. Product Quality at lowest Cost: Robust Processes by Parameter and Tolerance Design Using Integration Tools;Harmsen,1996
2. Perfecting the parameters;Harmsen;Chem. Proc. Techn. Int.,1996
3. At the touch of a key;Harmsen;Chem. Proc. Techn. Int.,1996
4. The Challenge of Sustainable Development to Chemical Engineering: A new Paradign for the 21st Century?, key note lecture;Lemkowitz,1998
5. Reactor Selection Methodology;Harmsen,1998