Reijntjes, Coen. <br/><br/>
Farming for the future :  an introduction to low-external-input and sustainable agriculture / 
Coen Reijntjes, Bertus Haverkort and Ann Waters-Bayer. 
 - Leusden, Netherlands :  ILEIA,  1992. 
 - xxi, 250 p. :  ill. 
<br/><br/><label>ISBN: </label>0333570111 
<br/><br/><label>LCCN: </label>93016156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture.<br/>Sustainable Agriculture--Research.<br/>Agricultural ecology.<br/>Organic farming.