TY - RPRT TI - Determination of alkylbenzenesulfonate surfactants in groundwater using macroreticular resins and carbon-13 nuclear magnetic resonance spectrometry AU - E. Michael Thurman AU - T. Willoughby AU - Larry B. Barber AU - Kevin A. Thorn PY - 2002 DO - 10.1021/ac00141a013 UR - https://pubs.usgs.gov/publication/70014791 ID - 70014791 ER -