TY  - RPRT
TI  - Standard Reference Materials : Homogeneity characterization of NBS spectrometric standards IV /
AU  - Michaelis, R E
AU  - Yakowitz, H
PY  - 1969
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-16
DO  - 10.6028/NBS.SP.260-16
ER  -