@misc{indiciaeb64d93e42d99, title = {Occurrence of active and inactive herbicide ingredients at selected sites in Iowa}, author = {W. Wang and M. Liszewski and R. Buchmiller and K. Cherryholmes}, year = {1995}, doi = {10.1007/bf00482591}, url = {https://pubs.usgs.gov/publication/70018933}, note = {Source identifier: 70018933} }