TY  - RPRT
TI  - Sound insulation of wall, floor, and door constructions 
AU  - Berendt, Raymond D
AU  - Winzer, George E
PY  - 1964
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS MONO 77
DO  - 10.6028/NBS.MONO.77
ER  -