@misc{indiciae89709d624198,
  title = {Exotic baryon-number nonconservation: Another E6 superstring variation.},
  author = {E Ma},
  year = {1988},
  doi = {10.1103/physrevlett.60.1363},
  url = {https://pubmed.ncbi.nlm.nih.gov/10038019/},
  note = {Source identifier: 10038019}
}