TY - RPRT TI - Recent developments in parallel-grid, gas-scintillation proportional counters AU - Anderson, D. F. AU - Ku, W. AU - Mitchell, D. D. AU - Novick, R. AU - Wolff, R. S. PY - 1977 UR - https://ntrs.nasa.gov/citations/19770041753 ID - 19770041753 ER -