@misc{indiciae6fb84f814c0b,
  title = {Algebraic structure of open-string interactions.},
  author = {P Ramond and VG Rodgers},
  year = {1986},
  doi = {10.1103/physrevd.34.2352},
  url = {https://pubmed.ncbi.nlm.nih.gov/9957427/},
  note = {Source identifier: 9957427}
}