Zimmermann, Martin Huldrych, <br/><br/>
The formation of wood in forest trees;  the second symposium held under the auspices of the Maria Moors Cabot Foundation for Botanical Research, Harvard Forest, April, 1963. 

 - New York,  Academic Press,  1964. 
 - xv, 562 p.  illus., diagrs., tables.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cambium<br/>Trees
<br/><br/><label>Dewey Class. No.: </label>582 ZIM 1964 C285 Or.