@conference{39831,
  author = {David Didion and R. Cohen and D. Tree},
  title = {Role of R22 in Refrigerating and Air Conditioning Equipment},
  year = {1990},
  month = {1990-03-19},
  publisher = {International Institute of Refrigeration, Paris, },
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910616},
  language = {en},
}