TY - RPRT TI - Progress Report National Institute of Standards and Technology (NIST); Technical Investigation of the May 22, 2011, Tornado in Joplin, Missouri AU - Kuligowski, Erica AU - Lombardo, Franklin T. AU - Phan, Long T. AU - Levitan, Marc L. AU - Jorgensen, David P. PY - 2012 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 1139 DO - 10.6028/NIST.SP.1139 ER -