P.V.Bruel. <br/><br/>
Sound Insulation &Room Accoustics.(1951). 

 - 1st Ed. 
 -  Chapman & Hall.  1959 
 - 275p.  21 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ELN
<br/><br/><label>Index Terms--Genre/Form: </label><br/>F-13
<br/><br/><label>Dewey Class. No.: </label>24F-119  / P.V