TY  - RPRT
TI  - Circular of the Bureau of Standards no. 103 2nd edition: recommended specification for water-resisting spar varnish
PY  - 1921
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 103e2
DO  - 10.6028/NBS.CIRC.103e2
ER  -