@misc{indiciaeb09c7a34638f,
  title = {Regarding the database for the Peniston alpha-theta EEG biofeedback protocol.},
  author = {K Graap and D Freides},
  year = {1998},
  doi = {10.1023/a:1022265716026},
  url = {https://pubmed.ncbi.nlm.nih.gov/10457816/},
  note = {Source identifier: 10457816}
}