@misc{indiciae4b4c27b08552,
  title = {Color-singlet quark-pair transmutation: Helicity amplitudes and partial-wave analysis.},
  author = {W Roberts},
  year = {1989},
  doi = {10.1103/physrevd.39.938},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959721/},
  note = {Source identifier: 9959721}
}