1. R.M. Dell and D.A. Rand, “Understanding Batteries”, The Royal Society of Chemistry, UK 2001. 2. D. Linden and T.B. Reddy, “Handbook of Batteries”, McGraw-Hill, 2002 3. V.S. Bagotsky, A.M. Skundin and Y.M. Volfkovich, “Electrochemical Power Sources: Batteries, Fuel Cells and Supercapacitors”, John Wiley \& Sons, 2015