Sound insulation of wall, floor, and door constructions / R-aymond D. Beendt and George E. Winzer.
Berendt, Raymond D.
Sound insulation of wall, floor, and door constructions / R-aymond D. Beendt and George E. Winzer. - Washington : National Bureau of Standards - [53] p. - Monograph; 77 / National Bureau of Standards .
Sound insulation of wall, floor, and door constructions / R-aymond D. Beendt and George E. Winzer. - Washington : National Bureau of Standards - [53] p. - Monograph; 77 / National Bureau of Standards .