Macroscopic observables and quantization

          @misc{ pirsa_PIRSA:07060048,
            doi = {10.48660/07060048},
            url = {https://pirsa.org/07060048},
            author = {Landsman, Nikolaas},
            keywords = {Quantum Foundations},
            language = {en},
            title = {Macroscopic observables and quantization},
            publisher = {Perimeter Institute},
            year = {2007},
            month = {jun},
            note = {PIRSA:07060048 see, \url{https://pirsa.org}}
          }