2d United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, Sept. 1-13, 1958; [papers], U. S. A., June 1958, A/CONF.15/P/ (series). 631. Self-shielding and Doppler effects in absorption of neutrons [with list of references; by] J. C. Stewart, P. F. Zweifel.

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