The control of noise in ventilation systems :  a designers' guide / 
edited by M.A. Iqbal, T.K. Willson, R.J. Thomas Atkins Research and Development 
 - London :  E & FN Spon,  1977 
 - vii, 107 p. :  ill. ;  30 cm. 
<br/><br/>Bibliography : p. 103 
<br/><br/><label>ISBN: </label>041911050X 0470428120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ventilation--Noise control