Ridley, John. <br/><br/>
Health and safety :  ... in brief / 
John Ridley. 
 - 4th ed. 
 - Armsterdam :  Butterworth-Heinemann,  2008. 
 - xiii, 314 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780750686396 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial safety--Law and legislation--Great Britain.<br/>Industrial hygiene--Law and legislation--Great Britain.