Tetrad Gravity and Dirac's Observables
arXiv:gr-qc/9912091 · doi:10.1016/S0920-5632(00)00790-8
Abstract
Talk given at the Conference ``Constrained Dynamics and Quantum Gravity 99'', Villasimius (Sardinia, Italy), September 13-17, 1999
11 pages, Revtex file