@inproceedings{Porto:2013TA,
  author = "Porto, Stefano  and  Hartin, Anthony  and  Moortgat-Pick, Gudrid",
  title = "{Methods for evaluating physical processes in strong external fields at e+e? colliders: Furry picture and quasi-classical approach}",
  doi = "10.22323/1.177.0039",
  booktitle = "Proceedings of  Proceedings of the Corfu Summer Institute 2012  {\textemdash} PoS(Corfu2012)",
  year = 2013,
  volume = "177",
  pages = "039"
}