Simpson, George Gaylord. <br/><br/>
Principles of animal taxonomy / 
George Gaylord Simpson, 
 - New Delhi :  Scientific,  c2012 
 - 247 P. : 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788172337636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology, Animals.
<br/><br/><label>Dewey Class. No.: </label>590.12  / S 613p