Ridley, John R. <br/><br/>
Health and safety-- in brief / John Ridley. 

 - 4th edition 
 - New York : Routledge, 2008. 
 - xiii, 314 pages : illustration ; 25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780750686396 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial hygiene -- Great Britain.<br/>Industrial safety -- Great Britain.