TY - RPRT TI - Evaluation program for secondary spacecraft cells: Initial evaluation tests of Eagle-Picher Industries, Incorporated 6.0 ampere-hour, nickel-cadmium spacecraft cells for separator material evaluation AU - Harkness, J. D. PY - 1975 UR - https://ntrs.nasa.gov/citations/19750009717 ID - 19750009717 ER -