@misc{indiciae6f04f614f4e4, title = {Changes in erosion and ocean circulation recorded in the Hf isotopic compositions of North Atlantic and Indian Ocean ferromanganese crusts}, author = {Alexander M. Piotrowski and Der-Chuen Lee and John N. Christensen and Kevin W. Burton and Alex N. Halliday and James R. Hein and Detlef Gunther}, year = {2000}, doi = {10.1016/s0012-821x(00)00205-3}, url = {https://pubs.usgs.gov/publication/70021938}, note = {Source identifier: 70021938} }