TY - RPRT TI - Trends in polychlorinated biphenyl concentrations in Hudson River water five years after elimination of point sources AU - R. A. Schroeder AU - C.R. Barnes PY - 1983 DO - 10.3133/wri834206 UR - https://pubs.usgs.gov/publication/wri834206 ID - wri834206 ER -