TY  - RPRT
TI  - Circular of the Bureau of Standards no. 322: United States government master specification for integral waterproofing material, water-repellent type (for use with Portland cement mortar or concrete)
PY  - 1927
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 322
DO  - 10.6028/NBS.CIRC.322
ER  -