TY  - RPRT
TI  - Atomic absorption spectrometric determination of copper, zinc, and lead in geological materials
AU  - R. F. Sanzolone
AU  - T. T. Chao
PY  - 1976
DO  - 10.1016/s0003-2670(01)83030-0
UR  - https://pubs.usgs.gov/publication/70010914
ID  - 70010914
ER  -