The Ayer granite-migmatite at Chelmsford, Massachusetts, Part 6 of The distribution of helium and radioactivity in rocks
- 1 July 1944
- journal article
- Published by American Journal of Science (AJS) in American Journal of Science
- Vol. 242 (7) , 345-353
- https://doi.org/10.2475/ajs.242.7.345