N. G. Sanchez, The Classical-Quantum Duality of Nature: New variables for Quantum Gravity, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01735416

N. Sanchez, Semiclassical quantum gravity in two and four dimensions, in Gravitation in Astrophysics Cargese, NATO ASI Series B156 pp 371-381, 1986.

N. Sanchez and B. F. Whiting, Quantum field theory and the antipodal identification of black-holes, Nuclear Physics B, vol.283, p.605, 1987.
DOI : 10.1016/0550-3213(87)90289-6

N. G. Sanchez, The quantum string structure of the space-time, manuscript in preparation, 2018.

N. G. Sanchez, Quantum relativity and a new quantum world, 2018.