TY - RPRT TI - Deep-ocean polymetallic nodules and cobalt-rich ferromanganese crusts in the global ocean: New sources for critical metals AU - James R. Hein AU - Kira Mizell PY - 2022 DO - 10.1163/9789004507388_013 UR - https://pubs.usgs.gov/publication/70231662 ID - 70231662 ER -