@misc{indiciaeb8760a7450a7,
  title = {Service and values.},
  author = {W Hetznecker and M A Forman},
  year = {1973},
  doi = {10.1080/00332747.1973.11023765},
  url = {https://pubmed.ncbi.nlm.nih.gov/4743232/},
  note = {Source identifier: 4743232}
}