1. Indicators of sustainable production
2. G. H. Bruntlandt, Our Common Future, Oxford University Press, 1987.
3. J. M. Harris, Basic Principles of Sustainable Development, Working Paper 00-04, Global Development and Environment Institute, Tufts University, Medford (USA) 2000.
4. B. Dave, O. Nalco, Sustainable development: Role of industrial water management, Chapter 9, in Water and Sustainable Water Management: Opportunities for the Chemical Sciences. (books.nap.edu/openbook.php?record_id=10994&page=66)
5. UNIDO, How to Establish and Operate Cleaner Production Centres, UNIDO/UNEP Guidance Manual, United Nations Environment Programme (UNEP): Cleaner Production, 2000. (http://www.uneptie.org/pc/cp/understanding_cp/home.htm)