1. Sandia National Laboratories: DOE/EPRI 2013 Electricity Storage Handbook in Collaboration with NRECA, USA, Sandia Corporation, United States Department of Energy (SAND2013-5131) p1-110 (2013)
2. Coppez, G., Chowdhury, S., Chowdhury, S.P.: The importance of energy storage in renewable power generation: a review. In: EPEC2010, 45th International Universities’ Power Engineering Conference, Cardiff, Wales, 31st August - 3rd September 2010 (2010)
3. Ibrahima, H., Ilincaa, A., Perronb, J.: Energy storage systems—Characteristics and comparisons. Sci. Dir. Renew. Sustain. Energy Rev. 12(2008), 1221–1250 (2008)
4. De Gramo, E., Sullivan, W.G.: Engineering Economy, 9th edn. Macmillan, New York (1993)
5. Vanek, F.M., Albright, L.D.: Energy System Engineering Evaluation & Implementation. The McGraw-Hill Companies, Inc., New York (2008)