Introduction to pile theory - Goodman, Clark; Adair, Robert K; Coryell, Charles D; Deutsch, Martin; Evans, Robley D; Feld, Bernard T; Friedman, Francis L; Gilliland, Edwin R; Irvine, John W; Ozeroff, W. F; Weisskopf, Victor Frederick; Wigner, E. P (The Science and Engineering of Nuclear Power, 1952)