TY  - RPRT
TI  - Statistical modeling of agricultural chemical occurrence in midwestern rivers
AU  - W.A. Battaglin
AU  - D. A. Goolsby
PY  - 1997
DO  - 10.1016/s0022-1694(97)00011-5
UR  - https://pubs.usgs.gov/publication/70019606
ID  - 70019606
ER  -