Amplitudes: Reformulation of Feynman diagrams

@misc{ pirsa_PIRSA:15070047,
  doi = {10.48660/15070047},
  url = {https://pirsa.org/15070047},
  author = {He, Song},
  keywords = {Particle Physics},
  language = {en},
  title = {Amplitudes: Reformulation of Feynman diagrams },
  publisher = {Perimeter Institute},
  year = {2015},
  month = {jul},
  note = {PIRSA:15070047 see, \url{https://pirsa.org}}
}