The radium content of marine sediments from the East Indies, the Philippines, and Japan, and of the Mesozoic fossil clays of the East Indies
- 1 November 1938
- journal article
- Published by American Journal of Science (AJS) in American Journal of Science
- Vol. s5-36 (215) , 321-336
- https://doi.org/10.2475/ajs.s5-36.215.321