Loll, Renate Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
9910232v1.pdf (Preprint), 442KB
Nuclear-Physics-B---Proceedings-Supplements_88_1-3.pdf (Publisher version), 398KB
Loll, R., Ambjörn, J., & Anagnostopoulos, K. N. (2000). Making the gravitational path integral more Lorentzian, or life beyond Liouville gravity. Nuclear Physics B - Proceedings Supplements, 88(1-3), 241-244. doi:10.1016/S0920-5632(00)00776-3.