1. Canonical Quantum Gravity;Cianfrani,2014
2. Quantum Gravity;Rovelli,2004
3. Modern Canonical Quantum General Relativity;Thiemann,2007
4. Immirzi parameter in quantum general relativity;Rovelli;Phys. Rev. D,1998
5. Yang-Mills analogues of the Immirzi ambiguity;Gambini;Phys. Rev. D,1999