@misc{indiciae8cc34de7b9b5,
  title = {Induction loop amp;ification systems: classroom performance.},
  author = {N D Matkin and W O Olsen},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5452663/},
  note = {Source identifier: 5452663}
}