1. Neutron Thermalization I. Heavy Gaseous Moderator
2. H. BATEMAN, “Higher Transcendental Functions,” Chap. VI. McGraw-Hill, New York, 1953.
3. E. C. TITCHMARSH, “The Theory of Functions,” 2nd ed., pp. 224ff. Oxford Univ. Press, London and New York, 1950.
4. E. C. TITCHMARSH, “Eigenfunction Expansions Asso ciated with Second Order Differential Equation.” Oxford Univ. Press, London and New York. 1946.