TY  - BOOK
AU  - Knudsen, Vern O.
AU  - Harris, Cyril M.
TI  - Acoustical Designing in Architecture 
U1  - 620.22 
PY  - 1950///
CY  - New York : 
PB  - John Wiley, 
KW  - Architectural Acoustics
N1  - NN
ER  -