@misc{1192141,
  author = {G E Kelly and D A Didion},
  title = {Energy conservation potential of modular gas-fired boiler systems:},
  year = {1975},
  month = {1975-01-01 05:01:00},
  publisher = {Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.BSS.79},
  language = {en},
}