Behrndt, Klaus Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
50945.pdf (プレプリント), 135KB
Behrndt, K. (2003). Intersecting branes and 7-manifolds with G2 holonomy. Fortschritte der Physik, 664-669.