TY  - RPRT
TI  - Occurrence of active and inactive herbicide ingredients at selected sites in Iowa
AU  - W. Wang
AU  - M. Liszewski
AU  - R. Buchmiller
AU  - K. Cherryholmes
PY  - 1995
DO  - 10.1007/bf00482591
UR  - https://pubs.usgs.gov/publication/70018933
ID  - 70018933
ER  -