1. U.S. Energy Information Administration (2011) Annual Energy Review 2010, Report No. DOE/EIA-0384 (2010), http://www.eia.gov/totalenergy/data/annual/.
2. Draft Working Plan of the Ecodesign Directive (2009–2011);European Union,2008
3. An Environmental Analysis of Machining;Dahmus,2004
4. Environmentally Benign Manufacturing: Observations from Japan, Europe and the United States;Gutowski;Journal of Cleaner Production,2005
5. Unit Process Energy Consumption Models for Manufacturing Processes;Li;Annals of the CIRP,2011