TY  - BOOK
AU  - Purkis,Hubert John
TI  - Building physics: acoustics
T2  - Commonwealth and international library.  Physics division
U1  - 693.834 
PY  - 1966///
CY  - New York
PB  - Pergamon
KW  - Architectural acoustics
KW  - Soundproofing
N1  - Includes bibliographies and index
ER  -