TY  - RPRT
TI  - Determination of silver, bismuth, cadmium, copper, lead, and zinc in geologic materials by atomic absorption spectrometry with tricaprylylmethylammonium chloride
AU  - John G. Viets
PY  - 2002
DO  - 10.1021/ac50030a023
UR  - https://pubs.usgs.gov/publication/70012641
ID  - 70012641
ER  -