Safety at work / 
edited by John Ridley and John Channing 
 - 6th ed. 
 - 1064 páginas 
<br/><br/><label>ISBN: </label>0750654937 (papel alcalino) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seguridad industrial
<br/><br/><label>LC Class. No.: </label>T55  / S2242 2003