1. Abramowitz, I.S., Stegun, I.A., 1972. Handbook of Mathematical Functions. Dover Publications, NY.
2. Comments on the treatment of transverse leakage in advanced nodal codes for hexagonal nodes;Chao;Nuclear Science and Engineering,1991
3. The thermal neutron flux in a square lattice cell;Cohen;Nuclear Science and Engineering,1956
4. Davison, B., 1957. Neutron Transport Theory. Oxford University Press, Oxford.
5. Finding the buckling of an elliptic cylinder;Gast;Nucleonics,1956