TY  - RPRT
TI  - Sample size and meaningful gold analysis
AU  - H.E. Clifton
AU  - R. E. Hunter
AU  - F. J. Swanson
AU  - R. L. Phillips
PY  - 1969
DO  - 10.3133/pp625c
UR  - https://pubs.usgs.gov/publication/pp625C
ID  - pp625C
ER  -