Phys. Rev. 68, 278–278 (1945)PositroniumReceived 13 November 1945; published in the issue dated December 1945 © 1945 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRev.68.278
DOI:
10.1103/PhysRev.68.278
PACS:
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