TY - GEN AU - Allison Huang AU - Robert Chapman AU - David Butry C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2009-09-30 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2009 TI - Metrics and Tools for Measuring Construction Productivity: Technical and Empirical Considerations UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903603 ER -