Symmetry Principles in Physics - Lecture 4B

          @misc{ pirsa_PIRSA:08050013,
            doi = {},
            url = {https://pirsa.org/08050013},
            author = {Brown, Harvey},
            keywords = {},
            language = {en},
            title = {Symmetry Principles in Physics - Lecture 4B},
            publisher = {Perimeter Institute},
            year = {2008},
            month = {may},
            note = {PIRSA:08050013 see, \url{https://pirsa.org}}
          }