TY - CHAP A1 - Häfner, Stefan A1 - Kessel, Marco A1 - Könke, Carsten T1 - Multiphase B-spline finite elements of variable order in the mechanical analysis of heterogeneous solids N2 - Multiphase B-spline finite elements of variable order in the mechanical analysis of heterogeneous solids KW - Angewandte Mathematik KW - Strukturmechanik Y1 - 2006 ER -