TY  - RPRT
TI  - Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group; determination of chloroacetanilide herbicide metabolites in water using high-performance liquid chromatography-diode array detection and high-performance liquid chromatography/mass spectrometry
AU  - L.R. Zimmerman
AU  - K.A. Hostetler
AU  - E.M. Thurman
PY  - 2000
DO  - 10.3133/ofr00182
UR  - https://pubs.usgs.gov/publication/ofr00182
ID  - ofr00182
ER  -