TY  - RPRT
TI  - Determination of arsenic in geological materials by x-ray fluorescence spectrometry after solvent extraction and deposition on a filter
AU  - A.E. Hubert
PY  - 1983
DO  - 10.1016/0039-9140(83)80223-9
UR  - https://pubs.usgs.gov/publication/70011317
ID  - 70011317
ER  -