Wittwer, S. H.  1917- <br/><br/>
Food, climate, and carbon dioxide :  the global environment and world food production / 
Sylvan H. Wittwer. 
 - Boca Raton :  Lewis Publishers,  c1995. 
 - 236 p. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 191-222) and index. 
<br/><br/><label>ISBN: </label>0873717961 (acidfree paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops and climate.<br/>Climatic changes.<br/>Crops--Effect of atmospheric carbon dioxide on.<br/>Global warming.
<br/><br/><label>LC Class. No.: </label>S600.7.C54  / W58 1995