TY - RPRT TI - Osmium isotopes and silver as tracers of anthropogenic metals in sediments from Massachusetts and Cape Cod bays AU - G.E. Ravizza AU - Michael H. Bothner PY - 1996 DO - 10.1016/0016-7037(96)00108-1 UR - https://pubs.usgs.gov/publication/70018922 ID - 70018922 ER -