TY - GEN AU - Howard E Swanson AU - M C Morris AU - Roger P Stinchfield AU - Eloise H Evans C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1963-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MONO.25-2 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1963 TI - Standard x-ray diffraction powder patterns: ER -