Gieseke, Tyler <br/><br/>
Migration cycles 
/ by Tyler Gieseke 
 - 1 online resource :  illustrations 
 - Earth cycles .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781098242909 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal migration