TY - RPRT TI - Avalanche-diode oscillator circuit with tuning at multiple frequencies AU - Parker, D. AU - Ablow, C. M. AU - Lee, R. E. AU - Karp, A. AU - Chambers, D. R. PY - 1971 UR - https://ntrs.nasa.gov/citations/19730011531 ID - 19730011531 ER -