@misc{indiciaef8e3bdb5dfb3, title = {Factors controlling the concentrations of thirteen rare metals in sea-water}, author = {K.B. Krauskopf}, year = {1956}, doi = {10.1016/0016-7037(56)90055-2}, url = {https://pubs.usgs.gov/publication/70216320}, note = {Source identifier: 70216320} }