1. SKERGET, P. and BREBBIA, C.A. Non linear potential problems Chapter 1 in Progress in Boundary Element Methods, Vol. 2 Pentech Press, London, Springer-Verlag, New York (1983).
2. SKERGET, P. and BREBBIA, C.A. Time dependent non-linear potential problems, Chapter 1 in Progress in Boundary Element Methods, Vol. 3. Springer-Verlag, Berlin, NY, 1983.
3. BREBBIA, C.A. and SKERGET, P. Time dependent diffusion convection problems using boundary elements. Third International Conference on Numerical Methods in Laminar and Turbulent Flow, the University of Washington, Seattle, U.S.A. Pineridge Press (1983).
4. SKERGET, P. and BREBBIA, C.A. The solution of convective problems in laminar flow. 5th International Conference on Boundary Elements, Hiroshima, Japan. Springer-Verlag, Berlin, N.Y. 1983.
5. BREBBIA, C.A. “The Boundary Element Method for Engineers” Pentech Press, London, Halstead Press, NY, 1978.