1. H.
Bode
, Lead–Acid Batteries, John Wiley and Sons, New York, London, 1977
2. D.
Linden
and T. B.Reddy, Handbook of Batteries, 3rd edn, McGraw-Hill, New York, 2002
3. A. T.
Kuhn
, The Electrochemistry of Lead, John Wiley and Sons, New York, 1979
4. Valve-regulated lead-acid batteries
5. Oxide for valve-regulated lead–acid batteries