@misc{indiciae7b654476ec78,
  title = {N-string amplitude as a trace of half-string matrices.},
  author = {Hong-Mo Chan and J Bordes and Tsou Sheung Tsun and L Nellen},
  year = {1989},
  doi = {10.1103/physrevd.40.2620},
  url = {https://pubmed.ncbi.nlm.nih.gov/10012104/},
  note = {Source identifier: 10012104}
}