TY  - RPRT
TI  - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of organophosphate pesticides in whole water by continuous liquid-liquid extraction and capillary-column gas chromatography with flame photometric detection
AU  - Virendra K. Jha
AU  - Duane S. Wydoski
PY  - 2003
DO  - 10.3133/wri034139
UR  - https://pubs.usgs.gov/publication/wri034139
ID  - wri034139
ER  -