@misc{indiciae087e6307e9fc,
  title = {Chirality operators for Heisenberg spin systems.},
  author = {V Subrahmanyam},
  year = {1994},
  doi = {10.1103/physrevb.50.6468},
  url = {https://pubmed.ncbi.nlm.nih.gov/9977031/},
  note = {Source identifier: 9977031}
}