Erskine-Hill, Howard <br/><br/>
Advanced general statistics 

 - London  Hodder and Stoughton  1971 
 - 350p. 
<br/><br/><label>ISBN: </label> UKP 3.95 
<br/><br/><label>Source: </label> UKP 3.95 
<br/><br/><label>Dewey Class. No.: </label>519.5 ERR