Nicolai, Hermann Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
351033.pdf (Verlagsversion), 2MB
Nicolai, H., & Freedman, D. Z. (1984). Multiplet shortening in Osp(N,4). Nuclear Physics B, 237(2), 342-366. doi:10.1016/0550-3213(84)90164-0.