TY - RPRT TI - The metal oxide fraction of pelagic sediment in the equatorial North Pacific Ocean: A source of metals in ferromanganese nodules AU - D.Z. Piper PY - 1988 DO - 10.1016/0016-7037(88)90193-7 UR - https://pubs.usgs.gov/publication/70014369 ID - 70014369 ER -