TY  - RPRT
TI  - Design to reduce the risk of progressive collapse 
AU  - Leyendecker, Edgar V
AU  - Ellingwood, Bruce R
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 76-1106
DO  - 10.6028/NBS.IR.76-1106
ER  -