Principles of forest yield study : studies in the organic production, structure, increment and yield of forest stands 
Ernst, Assmann & translated from the German by Saline H. Gardiner 
 - Oxford  Pergamon Press  1970 
 - xiv, 506p.: ill.; 25cm. 
<br/><br/><label>Dewey Class. No.: </label>574.5264  / ASS