@misc{indiciaef4ca86223653,
  title = {A musical conservation problem.},
  author = {C Roberts-Gray and J Yip},
  year = {1977},
  doi = {10.2466/pms.1977.44.1.96},
  url = {https://pubmed.ncbi.nlm.nih.gov/840614/},
  note = {Source identifier: 840614}
}