TY  - BOOK
AU  - Iqbal, M.A
AU  - 
TI  - control of noise in ventilation systems: a designer's guide
U1  - 697.9 
PY  - 1977///
CY  - London
PB  - E. & F. N. Spon Ltd.
KW  - control of noise in ventilation systems
ER  -