1. J. M. KENNEDY AND R. M. PEARCE, Multigroup diffusion calculations of thermal neutron spectra in CANDU using a free gas model. Atomic Energy of Canada Limited, Report No. AECL 1414 (1961).
2. C. H. WESTCOTT, Effective cross sections for wellmoderated thermal reactor spectra (3rd ed.). Atomic Energy of Canada Limited, Report No. AECL 1101 (1960).