1. Ecodesign: a promising approach to sustainable production and consumption;United Nations Environmental Program (UNEP),1997
2. Dynamics in ecodesign practice;Brezet;UNEP Industry and Environment (UNEP IE),1997
3. Driving eco-innovation: a breakthrough discipline for innovation and sustainability;Fussler,1996
4. Eco-efficiency – the business link to sustainable development;DeSimone,1997
5. Measuring eco-efficiency, a guide to reporting company performance;Verfaillie,2000