@misc{indiciae9e6625555f02,
  title = {Excited-state vertices for type-I superstrings.},
  author = {L Clavelli and B Harms},
  year = {1988},
  doi = {10.1103/physrevd.37.3622},
  url = {https://pubmed.ncbi.nlm.nih.gov/9958654/},
  note = {Source identifier: 9958654}
}