@misc{indiciaeb3a577a65d57,
  title = {Duality, marginal perturbations, and gauging.},
  author = {M Henningson and CR Nappi},
  year = {1993},
  doi = {10.1103/physrevd.48.861},
  url = {https://pubmed.ncbi.nlm.nih.gov/10016316/},
  note = {Source identifier: 10016316}
}