Time of occurence and spacetime localization of events as observables in quantum theory

          @misc{ scivideos_PIRSA:07060045,
            doi = {10.48660/07060045},
            url = {https://pirsa.org/07060045},
            author = {Fredenhagen, Klaus},
            keywords = {Quantum Foundations},
            language = {en},
            title = {Time of occurence and spacetime localization of events as observables in quantum theory},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2007},
            month = {jun},
            note = {PIRSA:07060045 see, \url{https://scivideos.org/index.php/pirsa/07060045}}
          }