TY - RPRT TI - The Adherence of porcelain enamel to aluminum: progress report August 1, 1968 through January 31, 1969 AU - Gugeler, Albert L PY - 1969 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 10012 DO - 10.6028/NBS.RPT.10012 ER -