Helgeson, J.
(2009),
Benefits and Costs of Research: A Case Study of the NIST High Performance Concrete Program, Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903658
(Accessed December 9, 2024)