TY - GEN AU - Gilbert, Stanley W. C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2012-12-01 05:12:00 DO - https://doi.org/10.6028/NIST.SP.1135 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2012 TI - Characterization of the U.S. Construction Labor Supply: ER -