TY - RPRT TI - Circular of the Bureau of Standards no. 85 2nd edition: United States government specification for basic sulphate white lead, dry and paste PY - 1922 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 85e2 DO - 10.6028/NBS.CIRC.85e2 ER -