1. Pollution of the North Sea: time for cleaner production;Baas,1990
2. United Nations Industrial Development Organisation, Environment & Energy Branch (UNIDO, E&E) United Nations Environment Programme, Industry & Environment (UNEP, I&E),1997
3. Frosch RA, Gallopoulos NE. Strategies for manufacturing. In: Managing planet earth, Scientific American Special Issue; September 1989. p. 144–152.
4. The powers of association;Latour,1986
5. Cleaner production and industrial ecology; dynamic aspects of the introduction and dissemination of new concepts in industrial practice;Baas,2005