@misc{indiciae0f217ba03fb3,
  title = {A nonlinear congeneric model for continuous item responses.},
  author = {P J Ferrando},
  year = {2001},
  doi = {10.1348/000711001159573},
  url = {https://pubmed.ncbi.nlm.nih.gov/11817095/},
  note = {Source identifier: 11817095}
}