TY  - RPRT
TI  - Development of reference materials for atmospheric analysis of the occupational environment : filter samples containing toxic metals
AU  - Mavrodineanu, Radu
AU  - Baldwin, John R
AU  - Taylor, John K
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-256
DO  - 10.6028/NBS.IR.73-256
ER  -