TY - GEN AU - Burdick, M D C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1968-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.9891 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1968 TI - Development of methods of test for quality control of porcelain enamels::progress report April 1 through June 30, 1968 ER -