TY - RPRT TI - 1966 Exposure test of nature-tone enamels on steel: summary of 6-months and 1-year inspections, progress report AU - Rushmer, M A PY - 1968 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 9965 DO - 10.6028/NBS.RPT.9965 ER -