Elsen, A. M. D., Mahony, M., & van Weenen, J. C. (1997). Sustainable services design. What it is and where it is going. Unknown Publisher.
Benjamin, Y. J., van Weenen, J. C., & Mahony, N. (1997). Way beyond. Way Beyond, I(3).
van Weenen, J. C. (1996). Sustainable Product Development. In UNEP-Mediterranean Region High Level Seminar on Cleaner Production, Rome UNEP-IE/PAC.
van Weenen, J. C. (1996). Working group on sustainable product development. In UNEP Fourth High Level Seminar on Cleaner Production, Oxford UNEP-IE/PAC.
Allenby, B., Brunner, P. H., & van Weenen, J. C. (1996). Review of the Swedish Waste Research Council (AFR). AFR.
van Weenen, J. C. (1996). Working with new codes. Way Beyond, 1(1), 18-19.
van Weenen, J. C. (1996). Recommendations from the plenary session of the eco-products conference. European Foundation for the Improvement of living and workin.
van Weenen, J. C., Benjamin, Y. J., Edirisinghe, M., & Zwetsloot, G. (1996). Nouveaux materiaux pour une conception ecologique. Office des Publications Officielles des Communautes Europees.
van Weenen, J. C. (1995). UNEP-WG-SPD International network directory. Unknown Publisher.
van Weenen, J. C. (1995). Sustainable materials. Sources, ideas and research. In Documentation of the International Eureka Workshop Eco Materials and Eco Design Ministry of the environment.