TY  - RPRT
TI  - U.S. Geological Survey standard reference water samples for pesticides
AU  - Marvin J. Fishman
AU  - Linda C. Friedman
AU  - Delora K. Boyle
PY  - 1982
DO  - 10.3133/wri8228
UR  - https://pubs.usgs.gov/publication/wri8228
ID  - wri8228
ER  -