@misc{indiciaeba39a1707a90,
  title = {New proposal for closed-string field theory: The free-string case.},
  author = {S Tye},
  year = {1989},
  doi = {10.1103/physrevlett.63.1046},
  url = {https://pubmed.ncbi.nlm.nih.gov/10040451/},
  note = {Source identifier: 10040451}
}