TY - RPRT TI - High-temperature LM cathodes for ion thrusters Summary report, 1 Jun. 1966 - 31 Jul. 1967 AU - Arnold, K. W. AU - Eckhardt, W. O. AU - Hagen, G. AU - Hyman, J., Jr. AU - Knechtli, R. C. AU - Synder, J. A. PY - 1967 UR - https://ntrs.nasa.gov/citations/19680010652 ID - 19680010652 ER -