Purkis, Hubert John. <br/><br/>
Building physics :  acoustics 
Hubert John Purkis 
 - 1st ed. 
 - New York :  Pergamon,  c1966. 
 - vii, 141 p. :  ill., plate, tables, diagrs. ;  21 cm. 
 - Commonwealth and international library.  Physics division .
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architectural acoustics.<br/>Soundproofing.
<br/><br/><label>Dewey Class. No.: </label>693.834  / PUB 1966