TY  - RPRT
TI  - Standard Reference Materials : Description of the SRM 1965 microsphere slide/
AU  - McKenzie, R L
AU  - Hartman, A W
PY  - 1988
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-107
DO  - 10.6028/NBS.SP.260-107
ER  -