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). 723. Tests of theory of isotope separation by centrifuging [with list of bibliography]; by J. W. Beams, L. B. Snoddy, and A. R. Kuhlthau.