TY  - RPRT
TI  - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of organophosphate pesticides in filtered water by gas chromatography with flame photometric detection
AU  - Virendra K. Jha
AU  - Duane S. Wydoski
PY  - 2002
DO  - 10.3133/wri024071
UR  - https://pubs.usgs.gov/publication/wri024071
ID  - wri024071
ER  -