The physiology of forest trees :   a symposium held at the Harvard Forest /  
Edited by Kenneth V. Thimann, with the assistance of Willia m B. Critchfield and Martin H. Zimmermann 
 - New York :   Ronald Press Co. ,   1958. 
 - xvi, 678 p. :    ill. ;    24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forests and forestry --------Congresses<br/>Trees--------Congresses<br/>Plant physiology--------Congresses
<br/><br/><label>Dewey Class. No.: </label>634.942