Nicolai, Hermann Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
351308.pdf (Publisher version), 2MB
De Wit, B., & Nicolai, H. (1984). The parallelizing S7 torsion in gauged N=8 supergravity. Nuclear Physics B, 231(3), 506-532. doi:10.1016/0550-3213(84)90517-0.