The significance of the proper time in the quantum mechanics of the gravitational field.

          @misc{ scivideos_PIRSA:17110114,
            doi = {10.48660/17110114},
            url = {https://pirsa.org/17110114},
            author = {Bunster, Claudio},
            keywords = {Cosmology, Quantum Gravity},
            language = {en},
            title = {The significance of the proper time in the quantum mechanics of the gravitational field.},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2017},
            month = {nov},
            note = {PIRSA:17110114 see, \url{https://scivideos.org/index.php/pirsa/17110114}}
          }