@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" }