12/13 PSI - String Theory Review Lecture 3

          @misc{ scivideos_PIRSA:13010045,
            doi = {},
            url = {https://pirsa.org/13010045},
            author = {Zwiebach, Barton},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {12/13 PSI - String Theory Review Lecture 3},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2013},
            month = {jan},
            note = {PIRSA:13010045 see, \url{https://scivideos.org/index.php/pirsa/13010045}}
          }