TY  - RPRT
TI  - Technical activities of the Office of Environmental Measurements -- 1980 
AU  - Kirchhoff, William H
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 81-2280
DO  - 10.6028/NBS.IR.81-2280
ER  -