@misc{indiciaef057cd7aa3eb,
  title = {Participation and sibship size in a skill-development program: a research note.},
  author = {M B Jones and D R Offord},
  year = {1986},
  doi = {10.1111/j.1469-7610.1986.tb00626.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3949903/},
  note = {Source identifier: 3949903}
}