Nicolai, Hermann Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
351658.pdf (Publisher version), 3MB
Nicolai, H. (1991). Two-dimensional gravities and supergravities as integrable systems. In Recent Aspects of Quantum Fields (pp. 231-273). Berlin, Heidelberg: Springer.