TY  - RPRT
TI  - Adjustment of pesticide concentrations for temporal changes in analytical recovery, 1992–2010
AU  - Jeffrey D. Martin
AU  - Michael Eberle
PY  - 2011
DO  - 10.3133/ds630
UR  - https://pubs.usgs.gov/publication/ds630
ID  - ds630
ER  -