TY  - RPRT
TI  - The Lasky cumulative tonnage-grade relationship; a reexamination
AU  - J. H. DeYoung
PY  - 1981
DO  - 10.2113/gsecongeo.76.5.1067
UR  - https://pubs.usgs.gov/publication/70011787
ID  - 70011787
ER  -