Alexander, R. McNeill <br/><br/>
The chordates 
R. McNeill Alexander 
 - 2nd ed. 
 - Cambridge :  Cambridge University Press,  1981 
 - 510p :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0521236584 
<br/><br/><label>LCCN: </label>80-041275 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chordata--Physiology