Young, J. Z.  1907- <br/><br/>
The life of vertebrates / 
J.Z. Young 
 - 3rd ed. 
 - Oxford :  Clarendon Press,  1981 
 - 645 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography: p.586-606 
<br/><br/><label>ISBN: </label>0198571720 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates