Noise.   Unit 11,  Noise concepts and terminology / 
 Noise.   Unit 12,  Fundamentals of noise control. 
Prepared by the Course Team. 
 - Milton Keynes :  The Open University,  1995. 
 - 2nd ed. 111 p. :  ill.(some col.) ;  30 cm. 
 - Environmental control and public health. .
<br/><br/> Technology : a second level course. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>074927431X (pbk.)