TY - RPRT TI - Contemporaneous structural steel specifications AU - Luecke, William E AU - Siewert, Thomas A AU - Gayle, Frank W PY - 2005 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST NCSTAR 1-3a DO - 10.6028/NIST.NCSTAR.1-3a ER -