1. CYGRO—Stress analysis of the growth of concentric cylinders, WAPD-TM-514;Friedrich,1965
2. P. J. Levine et al., Irradiation tests of sodium bonded mixed carbide fuel pins, Ceram. Nucl. Fuel Symp. p. 156. Washington, D.C. (1969).
3. Theory of columnar grain growth and central void formation in oxide fuel rods
4. D. Freund and C. Sari, A new simulation method for investigation of UO2 fuel in a thermal gradient corresponding to reactor conditions, Int. Meeting Fast Reactor Fuel Fuel Elements ANS, Karlsruhe, September 1970.