1. R.M. Wald, Black hole entropy is the Noether charge, Phys. Rev. D 48 (1993) 3427 [ gr-qc/9307038 ] [ INSPIRE ].
2. V. Iyer and R.M. Wald, Some properties of Noether charge and a proposal for dynamical black hole entropy, Phys. Rev. D 50 (1994) 846 [ gr-qc/9403028 ] [ INSPIRE ].
3. R.M. Wald, Quantum Field Theory in Curved Spacetime and Black Hole Thermodynamics, University of Chicago Press, Chichago, U.S.A. (1994).
4. M. Henneaux, C. Martinez, R. Troncoso and J. Zanelli, Black holes and asymptotics of 2+1 gravity coupled to a scalar field, Phys. Rev. D 65 (2002) 104007 [ hep-th/0201170 ] [ INSPIRE ].
5. M. Henneaux, C. Martinez, R. Troncoso and J. Zanelli, Asymptotically anti-de Sitter spacetimes and scalar fields with a logarithmic branch, Phys. Rev. D 70 (2004) 044034 [ hep-th/0404236 ] [ INSPIRE ].