Exact Classical Solutions in String Cosmology

          @misc{ pirsa_PIRSA:06100047,
            doi = {},
            url = {https://pirsa.org/06100047},
            author = {Hellerman, Simeon},
            keywords = {},
            language = {en},
            title = {Exact Classical Solutions in String Cosmology},
            publisher = {Perimeter Institute},
            year = {2006},
            month = {oct},
            note = {PIRSA:06100047 see, \url{https://pirsa.org}}
          }