@article{39306,
  author = {David Didion and George Kelly},
  title = {New Testing and Rating Procedures for Seasonal Performance of Heat Pumps},
  year = {1979},
  number = {8921},
  month = {1979-09-01},
  publisher = {ASHRAE Journal},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910789},
  language = {en},
}