TY  - RPRT
TI  - Preparation of reference materials for stationary source emission analysis : beryllium
AU  - Rains, T C
AU  - Olson, C D
AU  - Velapoldi, R A
AU  - Wicks, S A
AU  - Menis, O
AU  - Taylor, J K
PY  - 1974
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 74-439
DO  - 10.6028/NBS.IR.74-439
ER  -