RT Journal Article SR Electronic T1 Detection of Manganese-54 in Radioactive Fallout JF Science JO Science FD American Association for the Advancement of Science SP 971 OP 972 DO 10.1126/science.126.3280.971 VO 126 IS 3280 A1 SHIPMAN, WILLIAM H. A1 SIMONE, PHILIP A1 WEISS, HERBERT V. YR 1957 UL http://science.sciencemag.org/content/126/3280/971.abstract AB