@inproceedings{Ponce:2000TE,
  author = "Ponce, William",
  title = "{GUTs and Strings}",
  doi = "10.22323/1.005.0029",
  booktitle = "Proceedings of Third Latin American Symposium on High Energy Physics {\textemdash} PoS(silafae-III)",
  year = 2000,
  volume = "005",
  pages = "029"
}