@misc{indiciaecaf79a68b53f,
  title = {Individual differences in infants' sleep.},
  author = {J Dittrichová and K Paul and J Vondrácek},
  year = {1976},
  doi = {10.1111/j.1469-8749.1976.tb03627.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/179907/},
  note = {Source identifier: 179907}
}