Hillel, Daniel <br/><br/>
OPTIMIZING the soil physical environment toward greater crop yields / 
edited by Daniel Hillel 
 - New York  Academic press  1972 
 - xxi, 240 p. 
<br/><br/> Includes references and index. 
<br/><br/><label>Dewey Class. No.: </label>581.5222  / OPT