TY - GEN AU - L Marton AU - David C Schubert AU - S R Mielczarek C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1963-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MONO.66 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1963 TI - Electron optical studies of low-pressure gases: ER -