@misc{indiciaecf4ef463f23d,
  title = {Can new maths help disturbed children?},
  author = {J Cordier and F Lowenthal},
  year = {1973},
  doi = {10.1016/s0140-6736(73)93232-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4124561/},
  note = {Source identifier: 4124561}
}