1. Linden’s Handbook of Batteries;Reddy,2011
2. Lead and nickel electrochemical batteries;Glaize,2012
3. Maintenance-free Batteries;Berndt,1997
4. Chemical Power Sources;Bagotzky,1980
5. R. Kinzelbach, Stahlakkumulatoren, VDI Verlag Düsseldorf (Varta Batterie AG Hannover), 1974.