Lofts, Brian  - <br/><br/>
Animal photoperiodism   - 

 - 
 - Lond,  Arnold  1975 
 - 62p 
<br/><br/>
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology Zoology 
<br/><br/><label>Dewey Class. No.: </label>591/LOA