@misc{indiciaec113d7ab038e,
  title = {[Quantification of environment-induced developmental differences in infants based on a phenomenologic-mathematic model].},
  author = {H Helwin and J Peil},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/80345/},
  note = {Source identifier: 80345}
}