TY  - RPRT
TI  - Determination of organophosphorus pesticides in water samples using solid-phase extraction and gas chromatography/mass spectrometry
AU  - M.E. Lindsey
AU  - E.M. Thurman
PY  - 2000
UR  - https://pubs.usgs.gov/publication/70022931
ID  - 70022931
ER  -