TY - RPRT TI - Thermionic double-diode program quarterly technical progress report, mar. 16 - jun. 15, 1964 AU - Cox, T. H. AU - Hobbs, R. L. AU - Levedahl, W. J. AU - Long, J. D. AU - Monroe, J. E., Jr. PY - 1964 UR - https://ntrs.nasa.gov/citations/19640015667 ID - 19640015667 ER -