TY  - RPRT
TI  - Statistical summary of geochemical data furnished by 85 laboratories for for six geochemical exploration reference samples
AU  - G.H. Allcott
AU  - H. W. Lakin
PY  - 1974
DO  - 10.3133/ofr741003
UR  - https://pubs.usgs.gov/publication/ofr741003
ID  - ofr741003
ER  -