TY  - RPRT
TI  - Atrazine and metolachlor occurrence in shallow ground water of the United States, 1993 to 1995: Relations to explanatory factors
AU  - D.W. Kolpin
AU  - J.E. Barbash
AU  - R. J. Gilliom
PY  - 2007
DO  - 10.1111/j.1752-1688.2002.tb01553.x
UR  - https://pubs.usgs.gov/publication/70024752
ID  - 70024752
ER  -