TY - GEN AU - M D Burdick C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.10225 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Development of methods of test for quality control of porcelain enamels::progress report January 1 through March 31, 1970 ER -