TY - RPRT TI - Circular of the Bureau of Standards no. 80 2nd edition: protective metallic coatings for the rustproofing of iron and steel PY - 1922 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 80e2 DO - 10.6028/NBS.CIRC.80e2 ER -