TY - RPRT TI - Precipitation collector bias and its effects on temporal trends and spatial variability in National Atmospheric Deposition Program/National Trends Network data AU - Gregory A. Wetherbee PY - 2017 DO - 10.1016/j.envpol.2016.12.036 UR - https://pubs.usgs.gov/publication/70186968 ID - 70186968 ER -