TY - RPRT TI - Construction of a breadboard electronics system for a light weight cold cathode quadrupole mass spectrometer Final report, 11 Dec. 1967 - 10 Oct. 1968 AU - Roehrig, J. R. PY - 1968 UR - https://ntrs.nasa.gov/citations/19690014247 ID - 19690014247 ER -