Echoes in Numerical Relativity

          @misc{ scivideos_PIRSA:20020090,
            doi = {10.48660/20020090},
            url = {https://pirsa.org/20020090},
            author = {Wang, Qingwen},
            keywords = {Quantum Gravity},
            language = {en},
            title = {Echoes in Numerical Relativity},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2020},
            month = {feb},
            note = {PIRSA:20020090 see, \url{https://scivideos.org/pirsa/20020090}}
          }