Perturbative String Theory

          @misc{ scivideos_PIRSA:05060076,
            doi = {10.48660/05060076},
            url = {https://pirsa.org/05060076},
            author = {},
            keywords = {},
            language = {en},
            title = {Perturbative String Theory},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2005},
            month = {jun},
            note = {PIRSA:05060076 see, \url{https://scivideos.org/pirsa/05060076}}
          }