1
Published 1978
American Chemical Society
Subjects: ...United States / National Bureau of Standards...

3
Published 2006
American Chemical Society
Subjects: ...National Nuclear Data Center...

4
Published 2003
American Chemical Society
Subjects: ...National Institute of Standards and Technology (U.S.)...

5
Published 2021
American Chemical Society
... national importance. Actinides are still among some of the least studied elements in the periodic table...

6
Published 1981
American Chemical Society

7
Published 2006
American Chemical Society

8
Published 2008
American Chemical Society

9
Published 2006
American Chemical Society

10
Published 2000
American Chemical Society

11
Published 2007
American Chemical Society