Zimmermann, Martin Huldrych,    1926- <br/><br/>
The information of wood in forest trees :   the second symposium he ld under the auspices of the Maria Moors Cabot Foundation for Botanical research, Harvard Forest, April, 1963/  
Martin Huldrych Zimmermann. 
 - New York :   Academic Press,   1964. 
 - xv, 562 p. :    ill., diagrs., tables. ;    24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cambium.--Physiology.------<br/>Trees --Physiology.------
<br/><br/><label>Dewey Class. No.: </label>582.16