Humphreys, Henry Robert. <br/><br/>
Sound insulation in buildings :  Cost and performance of walls and floors / 
by H. R. Humphreys and D. J. Melluish. 
 - London :  H.M. Stationery Office,  1971. 
 - v, 149 p. :  ill., map. 
<br/><br/><label>ISBN: </label>0116704853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soundproofing.<br/>Floors.<br/>Walls.<br/>Building--Estimates--Great Britain.