1. Corporate Strategy, an Analytical Approach to Business Policy for Growth and Expansion;Ansoff,1968
2. Corporate Structure, Present and Future;Ansoff,1974
3. Technological Innovation, a Methodology;Archer,1971
4. Introduction to Design;Asimow,1962
5. Veranderingsprocessen en Produktontwikkeling, Rapport Tussenafdeling der Industriële Vormgeving (Produktontwikkeling);Bakker,1977