Assmann, Ernst. <br/><br/>
The principles of forest yield study :  studies in the organic production, structure, increment, and yield of forest stands / 
by Ernest Assmann ; Translated by Sabine H. Gardiner, English editor: P. W. Davis. 
 - [1st English ed.] 
 - Oxford :  Pergamon Press  1970. 
 - xiv, 506 p.  ill. 
<br/><br/> Translation of Waldertragskunde. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forests and forestry.