TY - RPRT TI - Stable-isotope study of volcanogenic- and sedimentary-manganese deposits AU - Hsueh-Wen Yeh AU - J.R. Hein AU - R.A. Koski PY - 1985 DO - 10.3133/ofr85662 UR - https://pubs.usgs.gov/publication/ofr85662 ID - ofr85662 ER -