Humphreys, H.R. <br/><br/>
Sound insulation in buildings  cost and performance of walls and floors 
by H.R.Humphreys and D.J.Melluish 
 - London  Her Majesty's Stationary Office  1971 
 - 149 p. : ill. ; 30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soundproofing<br/>Noise control