TY - GEN AU - Weber, Stephen F C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1983-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.1172 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1983 TI - Productivity measurement for the construction industry: ER -