@misc{indiciaef0f298be3309,
  title = {Is Upsilon (3S) a pure S wave?},
  author = {S Chakravarty and SM Kim and P Ko},
  year = {1993},
  doi = {10.1103/physrevd.48.1212},
  url = {https://pubmed.ncbi.nlm.nih.gov/10016354/},
  note = {Source identifier: 10016354}
}