@article{Pezzella:2015lo,
  author = "Pezzella, Franco",
  title = "{Two Double String Theory Actions: Non-covariance versus Covariance}",
  doi = "10.22323/1.231.0158",
  journal = "PoS",
  year = 2015,
  volume = "CORFU2014",
  pages = "158"
}