Nicolai, Hermann Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
346910.pdf (Publisher version), 550KB
De Wit, B., Grisaru, M. T., Rabinovici, E., & Nicolai, H. (1992). Two-loop finiteness of D=2 supergravity. Physics Letters B, 286(1-2), 78-84. doi:10.1016/0370-2693(92)90161-V.