Thompson Klein, J.; Grossenbacher-Mansuy, W.; Häberli, R. (ed.), Transdisciplinarity: Joint Problem Solving among Science, Technology and Society. An Effective Way for Managing Complexity, pp. 217-235
Aiking, H, Meerdink, G, Jongen, W M F & Vellinga, P 2000, PROFETAS: protein foods, environment, technology and society . in R Häberli, R W Scholz, A Bill & M Welti (eds), Proceedings International Transdisciplinarity 2000 Conference . ETH, Zurich, pp. 326-330 . Vrije Universiteit Amsterdam