Nicolai, Hermann Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
353961.pdf (Publisher version), 2MB
De Wit, B., Hoppe, J., & Nicolai, H. (1988). On the quantum mechanics of supermembranes. Nuclear Physics B, 305(4), 545-581. doi:10.1016/0550-3213(88)90116-2.