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). 687. Slow neutron cross sections of Pu239 [with list of references; by] L. M. Bollinger, R. E. Corté and G. E. Thomas.