Encyclopedia of occupational health and safety / 
International Labour Office. 
 - Geneva :  International Labour Office,  1972. 
 - 1621 p. ;  30 cm. 
 - Encyclopedia of Occupational Health and safety  2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupational health<br/>Occupational safety
<br/><br/><label>Dewey Class. No.: </label>613.62   / INT