@misc{indiciaebdacddcf670f,
  title = {On Mental Energy.},
  author = {L Henderson},
  year = {1972},
  doi = {10.1111/j.2044-8295.1972.tb02078.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5020239/},
  note = {Source identifier: 5020239}
}