TY  - RPRT
TI  - Characterization of the U.S. Construction Labor Supply 
AU  - Gilbert, Stanley W.
PY  - 2012
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST SP 1135
DO  - 10.6028/NIST.SP.1135
ER  -