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). 1541. Theory for numerical solution of time-dependent and time-independent multigroup diffusion equations [with list of references]; prepared by R. S. Varga and M. A. Martino.

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