prepared by Laurits R. Christensen Associates, Inc. ; principal investigators, D.W. Caves, L.R. Christensen, J.A. Herriges ; prepared for Electric Power Research Institute
E.W. Hall [and others], General Electric Company ; prepared for National Aeronautics and Space Administration, Lewis Research Center under contract DEN3-12 for U.S. Department of Energy, Office of Energy Technology, Division of Energy Storage Systems and Electric Power Research Institute under contract RP1082-1