@misc{1193526,
  author = {Perry H Petersen},
  title = {Properties of some lightweight-aggregate concretes with and without an air-entraining admixture:},
  year = {1948},
  month = {1948-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.BMS.112},
  language = {en},
}