TY - RPRT TI - Development of methods of test for quality control of porcelain enamels : progress report July 1 through September 30, 1966 AU - Burdick, M D AU - Rushmer, M A PY - 1967 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 9459 DO - 10.6028/NBS.RPT.9459 ER -