Allen, R. G. D. <br/><br/>
Index numbers in theory and practics   

 - London  Macmillan  1975 
 - x, 278p. 
<br/><br/>  
<br/><br/><label>ISBN: </label>333169166 
<br/><br/><label>Dewey Class. No.: </label>338.528  / A1428.IN