RICHTHOFEN  Wolfgang Von <br/><br/>
Labour Inspection:  A guide to the profession/ 
Wolfgang Von Richthofen 
 - London  International labour office  c2002 
 - xv,362p.: 
<br/><br/> includes Annex, Bibliograph and Index 
<br/><br/><label>ISBN: </label>9221113876 
<br/><br/><label>Dewey Class. No.: </label>331.2596