C. A. Rebbia,G. Maier,Boundary elements VII.Boundary elements VII (1985 : Villa Olmo)：Proceedings of the 7th international conference ．V.1.Springer-Berlag,1985.
C. A. Rebbia,G. Maier,Boundary elements VII.Boundary elements VII (1985 : Villa Olmo)：Proceedings of the 7th international conference ．V.2.Springer-Berlag,1985.
