Stevens Ted[ et..el.] <br/><br/>
Technology, public policy , and the changing structure of American agriculture 

 - Washington :  Office of technology assessment ,  1986. 
 - 374p.  : ill.  ; 26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture economic aspects - United states,<br/> Agricultural innovations
<br/><br/><label>LC Class. No.: </label>HD1761.T37