@misc{indiciaed6e2665e98b4,
  title = {Reducing multiple problem behaviours in a profoundly retarded child.},
  author = {P Wehman and J Marchant},
  year = {1978},
  doi = {10.1111/j.2044-8260.1978.tb00257.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/647170/},
  note = {Source identifier: 647170}
}