Working envionment :    atmospheric pollution, noise and vibration. Fourth item on the agenda. 

 - Geneva,    1977. 
 - 73 p. ;    24 cm. 
<br/><br/>  At head of title:  International Labour Conference. 63rd Session, 19 77. Report IV 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Pollution -- Addresses, essays, lectures.