1. European Parliament, DIRECTIVE (EU) 2018/2002 amending Directive 2012/27/EU on Energy Efficiency, Off. J. Eur. Union, vol. 328, no. November, 2018, pp. 210–230.
2. Swedish Energy Agency, Energy in Sweden 2017, 2017.
3. Water and energy savings at a kraft paperboard mill using process integration;Savulescu;Pulp Pap. Canada,2005
4. Utilization of excess heat in the pulp and paper industry - a case study of technical and economic opportunities;Bengtsson;Appl. Therm. Eng.,2002
5. Influence of seasonal variations on energy-saving opportunities in a pulp mill;Persson;Energy,2009