Stanley D. Beck <br/><br/>
Insect photoperiodism. Ed 2 

 - 2nd Ed 
 - New York  Academic Press  1980 
 - 387p 
<br/><br/>Stanley D. Beck: Insect photoperiodism. Ed 2.  (2nd Ed)  New York.  Academic Press, 1980. 0-12-084380-3--(595.701882BEC)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-12-084380-3 
<br/><br/><label>Dewey Class. No.: </label>595.701882  / BEC