Nicolai, Hermann Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
351656.pdf (Verlagsversion), 2MB
Nicolai, H., & Warner, N. P. (1989). The structure of $N=16$ supergravity in two dimensions. Communications in Mathematical Physics, 125(3), 369-384.