Agriculture and food in the 21st century :  economic, environmental and social challenges / 
edited by Monika Hartmann and Joachim W. Hesse. 
 - Frankfurt am Main :  PL Academic Research,  2014. 
 - 269 p. :  ill. ;  22 cm. 
<br/><br/>Bibliography : p. 245-269. 
<br/><br/><label>ISBN: </label>9783631647714 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture.
<br/><br/><label>LC Class. No.: </label>S405  / .A37 2014