Stranks J <br/><br/>
Handbook of health and Safety practice 
Stranks J 
 - 3rd 
 - London  London, Pitman Pub.  1994 
 - 719p 
<br/><br/><label>ISBN: </label>0-273-604-38-4 
<br/><br/><label>Source: </label>Textbook