@inproceedings{Obers:19997Z,
  author = "Obers, Niels  and  Pioline, Boris",
  title = "{M- Theory and U - dualities}",
  doi = "10.22323/1.001.0053",
  booktitle = "Proceedings of Corfu Summer Institute on Elementary Particle Physics {\textemdash} PoS(corfu98)",
  year = 1999,
  volume = "001",
  pages = "053"
}