TY  - BOOK
AU  - Iqbal, M. A.
AU  - Thomas, R. J.
TI  - CONTROL OF NOISE IN VENTILATION SYSTEMS
U1  - 697.92 
PY  - 1977///
CY  - London
PB  - E. & F. N. Spon
KW  - Ventilation -- Noise Control
ER  -