@misc{1192046,
  author = {T Kusuda and K Ishii},
  title = {Hourly solar radiation data for vertical and horizontal surfaces on average days in the United States and Canada:},
  year = {1977},
  month = {1977-01-01 05:01:00},
  publisher = {Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.BSS.96},
  language = {en},
}