TY  - RPRT
TI  - Standard Reference Materials Development of a one-micrometer-diameter particle size standard, SRM 1690
AU  - Hartman, A W
AU  - Lettieri, T R
AU  - Marx, Egon
AU  - Mulholland, G W
PY  - 1985
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-95
DO  - 10.6028/NBS.SP.260-95
ER  -