@inproceedings{Medina:2007Fh,
  author = "Medina, Ricardo",
  title = "{Higher N-Point Amplitudes in Open Superstring Theory }",
  doi = "10.22323/1.031.0038",
  booktitle = "Proceedings of Fifth International Conference on Mathematical Methods in Physics  {\textemdash} PoS(IC2006)",
  year = 2007,
  volume = "031",
  pages = "038"
}