@misc{indiciae1317180aae9b,
  title = {Ripper procedure for determining sulfur dioxide in wine: collaborative study.},
  author = {J M Vahl and J E Converse},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7430025/},
  note = {Source identifier: 7430025}
}