@misc{indiciaea266cc776286,
  title = {New aids for instruction.},
  author = {M K Beyrer},
  year = {1978},
  doi = {10.1111/j.1746-1561.1978.tb07122.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/344993/},
  note = {Source identifier: 344993}
}