1. 1993Understanding technological responses of industrial firms to environmental problems: implication for government policyIn Environmental Strategies for Industry (eds). Island: Washington, DC: 277-307
2. 1999Theoretical Report of Neapol ProjectCEEM: Gent
3. 1998Policy Science Approach and Dutch Aspects of Negotiated AgreementsCSTM: Enschede
4. 1989Naar een Nieuwe Cybernetica in de Beleidswetenschap [Towards a New Cybernetics in Policy Science]. University of Twente: Enschede
5. 2004Understanding the implementation of instruments: how to know what works, where, when and howIn Governance for Sustainable Development: the Challenge of Adapting Form to Function (ed.). Elgar: Cheltenham: 284-318