TY  - RPRT
TI  - Analytical methods used in geochemical exploration, 1984
AU  - Richard M. O’Leary
AU  - Allen L. Meier
PY  - 1986
DO  - 10.3133/cir948
UR  - https://pubs.usgs.gov/publication/cir948
ID  - cir948
ER  -