Clifford, H. T. <br/><br/>
An introduction to numerical classification / 

 - New York :  Academic Press,  1975. 
 - xii, 229 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0121767507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numerical taxonomy.
<br/><br/><label>Dewey Class. No.: </label>574 ACA 1975 A027 Or.