1. Directive 2008/1/EC of the European Parliament and of The Council of 15 January 2008 concerning integrated pollution prevention and control. Official Journal of the European Union L 24
2. Reference Document on Best Available Techniques for Energy Efficiency. Institute for Prospective Technological Studies, European Commission IPPC Bureau, Seville (2009)
3. ISO 50001:2011(E) Energy management systems - requirements with guidance for use. ANSI (2011)
4. Karcher, P., Jochem, R.: Success factors and organizational approaches for the implementation of energy management systems according to ISO 50001. TQM J. 27(4), 361–381 (2015)
5. Marvin, T.: Howell Effective Implementation of an ISO 50001 Energy Management System (EnMS). ASQ Quality Press, Milwaukee (2014)