@misc{indiciae7d19a9b27622,
  title = {Helicity-coupling amplitudes in tensor formalism.},
  author = {SU Chung},
  year = {1993},
  doi = {10.1103/physrevd.48.1225},
  url = {https://pubmed.ncbi.nlm.nih.gov/10016356/},
  note = {Source identifier: 10016356}
}