@misc{55821,
  author = {William Holmes},
  title = {Concrete Model Building Subtypes},
  year = {2010},
  month = {2010-09-30},
  publisher = {Grant/Contract Reports (NISTGCR), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.GCR.10-917-6},
  language = {en},
}