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. J.D. Bekenstein, Black holes and entropy, Phys. Rev. D 7 (1973) 2333 [ INSPIRE ].
4. S. Hawking, Black hole explosions, Nature 248 (1974) 30 [ INSPIRE ].
5. A. Strominger and C. Vafa, Microscopic origin of the Bekenstein-Hawking entropy, Phys. Lett. B 379 (1996) 99 [ hep-th/9601029 ] [ INSPIRE ].