TY - RPRT TI - Investigation of the Kansas City Hyatt Regency walkways collapse AU - Marshall, R D AU - Pfrang, E O AU - Leyendecker, E V AU - Woodward, K A PY - 1982 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BSS 143 DO - 10.6028/NBS.BSS.143 ER -