TY  - RPRT
TI  - The determination of forty two elements in geological materials by inductively coupled plasma-mass spectrometry
AU  - Paul H. Briggs
AU  - A. L. Meier
PY  - 1999
DO  - 10.3133/ofr99166
UR  - https://pubs.usgs.gov/publication/ofr99166
ID  - ofr99166
ER  -