@inproceedings{Conde:2014bf,
  author = "Conde, Eduardo",
  title = "{Physics from the S-matrix: Scattering Amplitudes without Lagrangians}",
  doi = "10.22323/1.201.0005",
  booktitle = "Proceedings of Ninth Modave Summer School in Mathematical Physics {\textemdash} PoS(Modave 2013)",
  year = 2014,
  volume = "201",
  pages = "005"
}