TY  - RPRT
TI  - Precision and bias of selected analytes reported by the National Atmospheric Deposition Program and National Trends Network, 1983; and January 1980 through September 1984
AU  - L.J. Schroder
AU  - A.W. Bricker
AU  - T. C. Willoughby
PY  - 1985
DO  - 10.3133/wri854275
UR  - https://pubs.usgs.gov/publication/wri854275
ID  - wri854275
ER  -