@misc{indiciaeebf12973cb40,
  title = {Levels of tonic-phasic interaction.},
  author = {W A Spencer},
  year = {1977},
  doi = {10.1111/j.1749-6632.1977.tb39724.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/276289/},
  note = {Source identifier: 276289}
}