This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

Alpha-gamma angular correlation measurements were made with solid sources americium-243 and with liquid sources containing either americium-243 or an even-even alpha emitter in dilute perchloric acid solutions.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.