Romer, Alfred Sherwood,  1894- <br/><br/>
The vertebrate body / 
by Alfred Sherwood Romer 
 - 5th ed. 
 - Philadelphia :  Saunders,  1971. 
 - 452 p. :  ill. ;  26 cm. 
<br/><br/>p. 420-432. 
<br/><br/><label>ISBN: </label>0721676812 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates--Anatomy