@misc{indiciae741d4cc2fd4e,
  title = {Developing requesting behavior: acquisition, fluency, and generality.},
  author = {B McCook and E Cipani and K Madigan and J LaCampagne},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3398781/},
  note = {Source identifier: 3398781}
}