TY  - RPRT
TI  - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of low-level silver by graphite furnace atomic absorption spectrophotometry
AU  - D.L. Damrau
PY  - 1993
DO  - 10.3133/ofr93416
UR  - https://pubs.usgs.gov/publication/ofr93416
ID  - ofr93416
ER  -