1. H. Bode, Lead Acid Batteries, Wiley, New York, 1977, pp. 2–3.
2. P. Ruetschi, J. Power Sources 2 (1977–1978) 3–24.
3. J.M. Stevenson, Oxide Filling of the Lead/Acid Tubular Positive Using a Wet Fill Method, MABAT88, 1st International Symposium on Mechanization Automation, New Materials and Recycling in the Battery Industry, Sept. 1988, Poznan, Poland.
4. W. Fetzer, Advances in Manufacturing Systems for Positive Tubular Plates of Stationary/Traction Lead–Acid Batteries, MABAT88 (1st International Symposium on Mechanization Automation, New Materials and Recycling in the Battery Industry), Oct. 1988, Poznan, Poland.