Berg, Trygve. <br/><br/>
Technology options and the gene struggle 
/ by Trygve berg [et all....] 
 - Norway :  Norwegian Centre for International Agricultural Development,  1991. 
 - 146 p. ;  25 cm. 
 - NORAGRIC Occasional Papers Series C. .
<br/><br/><label>Dewey Class. No.: </label>630 BER