Amplitudes: Introduction and Motivation

          @misc{ scivideos_PIRSA:15070036,
            doi = {10.48660/15070036},
            url = {https://pirsa.org/15070036},
            author = {He, Song},
            keywords = {Particle Physics},
            language = {en},
            title = {Amplitudes: Introduction and Motivation},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2015},
            month = {jul},
            note = {PIRSA:15070036 see, \url{https://scivideos.org/index.php/pirsa/15070036}}
          }