Nelson, P. A. High-Performance Batteries for Stationary Energy Storage and Electric-Vehicle Propulsion, Progress Report: January-March 1978, report, July 1978; (https://digital.library.unt.edu/ark:/67531/metadc303748/m1/1/: accessed March 25, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .