@misc{1152606,
  author = {H S Lew},
  title = {Concrete strength during construction:},
  year = {1976},
  month = {1976-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.932},
  language = {en},
}