Edited by A.J. Goodjohn and G.C. Pomraning. -- M.I.T. Press, c1966. -- (Reactor physics in the resonance and thermal regions : proceedings of the National Topical Meeting of the American Nuclear Society, San Diego, February 7-9, 1966 / Edited by A.J. Goodjohn and G.C. Pomraning ; v.2).