Quantum Theory - Lecture 4

          @misc{ pirsa_PIRSA:12090003,
            doi = {},
            url = {https://pirsa.org/12090003},
            author = {Emerson, Joseph},
            keywords = {},
            language = {en},
            title = {Quantum Theory - Lecture 4},
            publisher = {Perimeter Institute},
            year = {2012},
            month = {sep},
            note = {PIRSA:12090003 see, \url{https://pirsa.org}}
          }