Quantizing and Dequantizing Reference Frames

          @misc{ scivideos_PIRSA:04070002,
            doi = {10.48660/04070002},
            url = {https://pirsa.org/04070002},
            author = {Spekkens, Robert},
            keywords = {},
            language = {en},
            title = {Quantizing and Dequantizing Reference Frames},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2004},
            month = {jul},
            note = {PIRSA:04070002 see, \url{https://scivideos.org/index.php/pirsa/04070002}}
          }