TY  - RPRT
TI  - The characterization of USGS gold reference standard, DGPM-1
AU  - D. J. Grimes
AU  - K. C. Stewart
AU  - S. A. Wilson
AU  - E.L. Kretschmer
PY  - 1996
DO  - 10.3133/ofr9658
UR  - https://pubs.usgs.gov/publication/ofr9658
ID  - ofr9658
ER  -