TY  - RPRT
TI  - Analytical methods used in geochemical exploration by the U.S. Geological Survey
AU  - Frederick Norville Ward
AU  - H. W. Lakin
AU  - F. C. Canney
AU  - and others
PY  - 1963
DO  - 10.3133/b1152
UR  - https://pubs.usgs.gov/publication/b1152
ID  - b1152
ER  -