@misc{indiciaec5d52d7f1efc, title = {Detection of poly(ethylene glycol) residues from nonionic surfactants in surface water by1h and13c nuclear magnetic resonance spectrometry}, author = {J.A. Leenheer and R.L. Wershaw and P.A. Brown and T.I. Noyes}, year = {2002}, doi = {10.1021/es00013a019}, url = {https://pubs.usgs.gov/publication/70015610}, note = {Source identifier: 70015610} }