He, Song Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society;
1207.3220 (Preprint), 256KB
JHEP2012_10_121.pdf (Any fulltext), 412KB
Feng, B., & He, S. (2012). Graphs, determinants and gravity amplitudes. Journal of high energy physics: JHEP, 2012(10): 121. doi:10.1007/JHEP10(2012)121.