TY - RPRT TI - Surface protection of managing steel: quarterly progress report no. 7 July 1 to September 30, 1967 AU - Lamb, V A AU - Reid, G I PY - 1967 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 9638 DO - 10.6028/NBS.RPT.9638 ER -