ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Since March 1938, we have been engaged in the study of artificial radioactivity induced in thorium by fast neutrons. We have already reported1 the production of uranium Y, which was obtained in the course of this investigation. At that time we had examined tho barium and ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/144547c0
Permalink