TY  - RPRT
TI  - Standard Reference Materials : Accuracy in analytical spectrophotometry/
AU  - Mavrodineanu, R
AU  - Burke, R W
PY  - 1983
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-81
DO  - 10.6028/NBS.SP.260-81
ER  -