9SUDHAN M S, NOVESKE T M, HOLDEN L S. Use of AC Impedance//Conductance and DC Resistance for Determining the Reliability of VRLA Battery System[C]//Proceedings of International Telecommunications Energy Conference (INTEEC '93). New York, IEEE. 1993.
10HERON R. MCFADDEN A. Evaluation of Conductance and Impedance Testing on VRLA Batteries for the Stenter Operating Companies[C]//Proceedings of International Telecommunications Energy Conference (INTEEC '94). New York: IEEE. 1994.