Young, J. Z. <br/><br/>
The life of mammals  their anatomy and physiology / 
J. Z. Young with the assistance of M. J. Hobbs. 
 - 2nd ed. 
 - Oxford :  Clarendon Press,  1975. 
 - xv, 528 p. :  ill., map ;  26 cm. 
<br/><br/> Includes indexes. 
<br/><br/>p. 494-507 
<br/><br/><label>ISBN: </label>0198571569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mammals--Physiology<br/>Mammals--Anatomy