TY - RPRT TI - Distribution and sources of pre-anthropogenic lead isotopes in deep ocean water from Fe-Mn crusts AU - F. Von Blanckenburg AU - R. K. O’Nions AU - J.R. Hein PY - 1996 DO - 10.1016/s0016-7037(96)00310-9 UR - https://pubs.usgs.gov/publication/70018620 ID - 70018620 ER -