TY - GEN AU - Branch, Paul E AU - Paulsen, Paul Johann C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1966-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.286 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1966 TI - Spark source mass spectrograph program, July 1964 to June 1965: ER -