Assmann, Ernst. <br/><br/>
The principles of forest yield study:  studies in the organic production, structure, increment, and yield of forest stands / 
by Ernst Assmann ; translated by Sabine H. Gardiner. 
 - Oxford:  Pergamon Press,  1970. 
 - xiv,506 p. :  ill. ;  25 cm . 
<br/><br/>Includes references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forests and forestry.