1. Anderssen, R. S., 1968, On the reliability of finite difference representations: Australian Comp. Jour., v. 1, p. 173–177.
2. Anderssen, R. S., 1970, A review of numerical methods for certain improperly posed parabolic partial differential equations: Australian National Univ. Computer Centre, Tech. Rept. No. 36, 47p.
3. Anderssen, R. S., and Bloomfield, P., 1972, On the numerical differentiation of data: Princeton Univ., Statistics Dept., Tech. Rept. 13, Ser. 2, 111 p.
4. Backus, G., and Gilbert, F., 1967, Numerical applications of a formalism for geophysical inverse problems: Geophys. Jour., Royal Australian Soc., v. 13, p. 247–276.
5. Birch, F., 1948, The effect of Pleistocene climatic variation upon geothermal gradients: Amer. Jour. Sci., v. 246, no. 12, p. 729–760.