@misc{indiciae7a26283320e5,
  title = {Mood changes after alpha feedback training.},
  author = {G Schmeidler and L Lewis},
  year = {1971},
  doi = {10.2466/pms.1971.32.3.709},
  url = {https://pubmed.ncbi.nlm.nih.gov/5557008/},
  note = {Source identifier: 5557008}
}