- HTS Dordrecht (College for advanced technology), Faculty of Electro techniques, 1963
- HTS Dordrecht, faculty of mechanical engineering, 1966
- HTS Dordrecht, faculty of shipbuilding, 1975
The analysis and computer program for the calculation of pneumatic conveying is developed during the last three employments since 1980.
The field experience and measurements are evaluated and incorporated in the manuscript - Description of pneumatic conveying- and in the various accompanying computer programs.