@inbook{219526,
  author = {J Pielert and Peter Spellerberg},
  title = {AASHTO Materials Reference Laboratory: Thirty Years of Service to the Transportation Community},
  year = {1996},
  month = {1996-03-31},
  publisher = {TR News, , -1},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=916574},
  language = {en},
}