TY - GEN AU - Wyckoff, H O AU - Attix, F H C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1957-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.HB.64 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1957 TI - Design of free-air ionization chambers: ER -