(Publication 4114.) [Reprinted by permission from Physics today, June 1952, v. 4, no. 6. From Report, 1952.]
Notes:
(Publication 4114.) [Reprinted by permission from Physics today, June 1952, v. 4, no. 6. From Report, 1952.] † Distribution Made by Issuing Office. (limited distribution).
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† Distribution Made by Issuing Office. (limited distribution).