1. Boundary element techniques in engineering;Brebbia,1980
2. Nonlinear partial differential equations in engineering;Ames,1965
3. Potential and viscous flow problems using the boundary element method;Wrobel;PhD thesis,1981
4. Kazuei Onishi, Takemi Kuroki, Yoko Ohura, Kinko Obata and Tamoko Ito, Boundary element method in transient heat transfer problems, Fukuoka University, Fukuoka, Japan.