@misc{indiciaef2a4645040c6,
  title = {Your toughest fee problems answered.},
  author = {M Goldberg and J Waller and D Kellner and J Berger and H Rockoff and L Winter},
  year = {1966},
  url = {https://pubmed.ncbi.nlm.nih.gov/5216887/},
  note = {Source identifier: 5216887}
}