Ridley, Mark  . <br/><br/>
Evolution and classification : the reform of cladism /  
Mark Ridley. 
 - London :   Longman ,   1986. 
 - 201p. :   ills ;   21cm  21cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0582444977  UKP 6.95 
<br/><br/><label>Subjects--Index Terms: </label>CLADISTIC ANALYSIS 
<br/><br/><label>Dewey Class. No.: </label>578.012  / RID/E