Koepf, Herbert H. <br/><br/>
Bio-dynamic agriculture :  an introduction / 
by Herbert H. Koepf, Bo D. Pettersson, Wolfgang Schaumann. 
 - Spring Valley, N.Y. :  Anthroposophic Press,  c1976. 
 - x, 429 p., [1] leaf of plates :  ill. ;  22 cm. 
<br/><br/> Translation of Biologische Landwirtschaft.  Includes index. 
<br/><br/>Bibliography: p. 404-416. 
<br/><br/><label>LCCN: </label>77353950  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organic farming.
<br/><br/><label>LC Class. No.: </label>S605.5  / .K6213 
<br/><br/><label>Dewey Class. No.: </label>630.5/8