TY  - RPRT
TI  - Adjustment of pesticide concentrations for temporal changes in analytical recovery, 1992-2006
AU  - Jeffrey D. Martin
AU  - Wesley W. Stone
AU  - Duane S. Wydoski
AU  - Mark W. Sandstrom
PY  - 2009
DO  - 10.3133/sir20095189
UR  - https://pubs.usgs.gov/publication/sir20095189
ID  - sir20095189
ER  -