Conditions of work and the working environment 

 - Geneva  International Labour Office  1983 
 - iii,79p.  25cm. 
<br/><br/><label>ISBN: </label>9221034976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indusrtial safety
<br/><br/><label>LC Class. No.: </label>HD7260.C64