1. Ehrlich, P.R., Holdren, J.P.: Impact of population growth. Science 171(3977), 1212–1217 (1971)
2. Schmidheiny, S.: Changing Course: A Global Business Perspective on Development and the Environment. MIT Press, Cambridge (1992)
3. Lehni, M., Pepper, J., Eco-efficiency: creating more value with less impact (2006). World Business Council for Sustainable Development, North Yorkshire.
http://www.wbcsd.org/web/publications/eco_efficiency_creating_more_value.pdf
. Accessed 13 April 2015
4. Evans, S., Bergendahl, M.N., Gregory, M., Ryan, C.: Towards a Sustainable Industrial System, with Recommendations for Education, Research, Industry and Policy. University of Cambridge, Institute for Manufacturing, Cambridge (2009)
5. Bocken, N., Morgan, D., Evans, S.: Understanding environmental performance variation in manufacturing companies. J. Prod. Perform. Manag. 62(8), 856–870 (2013)