TY  - RPRT
TI  - Measurement of thickness of chromium on currency printing plates : technical report - January 1 to June 30, 1970
AU  - Ogburn, Fielding
PY  - 1970
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 10270
DO  - 10.6028/NBS.RPT.10270
ER  -