Ridley, Mark <br/><br/>
Evolution and classification :  the reformation of cladism / 
Mark Ridley 
 - London :  Longman,  1986 
 - 201 p. :  ill. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0582444977 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cladistic analysis<br/>Evolution