1. and , The Boundary Integral Equation Method for Porous Media Flow, G. Allen & Unwin, London, 1983.
2. and , Integral Equation Methods in Potential Theory on Elastostatics, Academic Press, New York, 1977.
3. and , Boundary Element Methods in Engineering Science, McGraw Hill, London/New York, 1981.
4. and , Boundary Element Techniques in Engineering, Newman, Butterworth, London, 1980.
5. and , Boundary Element Techniques, Springer-Verlag, Berlin, 1984.