@misc{indiciae9b3676419d8a,
  title = {Two-loop chiral anomalies in open superstrings.},
  author = {PH Frampton and TW Kephart and TC Yuan},
  year = {1987},
  doi = {10.1103/physrevlett.59.1802},
  url = {https://pubmed.ncbi.nlm.nih.gov/10035335/},
  note = {Source identifier: 10035335}
}