@article{48771,
  author = {G Frohnsdorff and L Kaetzel},
  title = {Computerizing Concrete Technology Knowledge},
  year = {1999},
  month = {1999-12-01},
  publisher = {Concrete International},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=860745},
  language = {en},
}