1. User's manual for the NRN shield design method, AE-145,1964
2. A new method for predicting the penetration and slowing-down of neutrons in reactor shields, AE-185;Hjärne,1965
3. Methods of calculation for use in the design of shields for power reactors, AERE-R 3216;Avery,1960
4. A program for the numerical integration of the Boltzmann transport equation — NIOBE;Preiser;ARL Techn. Report 60-314,1960