@misc{1182686,
  author = {C Andrew Wan},
  title = {Energy test method development for electric heat pump water heaters:},
  year = {1980},
  month = {1980-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.79-1951},
  language = {en},
}