TY - RPRT TI - Platinum concentrations in ferromanganese seamount crusts from the Central Pacific AU - P. Halbach AU - D. Puteanus AU - F.T. Manheim PY - 1984 DO - 10.1007/bf01189182 UR - https://pubs.usgs.gov/publication/70013904 ID - 70013904 ER -