TY  - RPRT
TI  - Fire endurance tests of double module walls of gypsum board and steel studs 
AU  - Son, B C
AU  - Shoub, H
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-173
DO  - 10.6028/NBS.IR.73-173
ER  -