TY - GEN AU - Swanson, Howard E AU - Morris, Marlene C AU - Evans, Eloise H C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1966-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MONO.25-4 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1966 TI - Standard x-ray diffraction powder patterns: ER -