@misc{1193071,
  author = {Richard S Dill and Paul R Achenbach},
  title = {Effect of soot on the rating of an oil-fired heating boiler:},
  year = {1940},
  month = {1940-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.BMS.54},
  language = {en},
}