TY  - RPRT
TI  - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of inorganic and organic constituents in water and fluvial sediments
PY  - 1993
DO  - 10.3133/ofr93125
UR  - https://pubs.usgs.gov/publication/ofr93125
ID  - ofr93125
ER  -