1. Instruments for the assessment of business environmental performance;Morgante,2001
2. Eco-efficiency. Creating more value with less impacthttp://www. wbcsd.org/web/publications/eco_efficiency_creating_more_value.pdf
3. Sustainable Manufacturing and Eco-Innovation. Framework, Practices and Measurementhttp://www.oecd.org/innovation/inno/43423689.pdf
4. Strategies for Manufacturing
5. Resource, Environment and Economies: Application of the Materials/Energy Balance Principle;Ayres,1978