Schmidt, Bernd G. Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Schmidt, B. G. (2002). Data for the Numerical Calculation of the Kruskal Space-Time. In J. Frauendiener, & H. Friedrich (Eds.), The conformal structure of space time: geometry, analysis, numerics (pp. 283-296). Berlin u.a.: Springer.