1. Some simple mathematical models for criticality problems;Ackroyd;Progress in Nuclear Energy, Series IV,1960
2. On the dispersion of a solute in a fluid flowing through a tube;Aris;Proc. Roy. Soc.,1956
3. A general theory of Taylor dispersion phenomena;Brenner;Physicochemical Hydrodynamics,1980
4. The nuclear reactor with a transverse air gap;Chernick;J. Nuclear Energy,1955
5. Clark, H.K. (1958) Interaction of Subcritical Components, US Atomic Energy Commission Report DP-312.