TY - GEN AU - Dorothea M Johnson AU - James F Lynch C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.396-2 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - Critical surveys of data sources ::ceramics ER -