The state of food and agriculture  1992 
Food and Agriculture Organization of the United Nations  
 - Rome  FAO  1992, 1992 
 - XVIII, 262 S  graph. Darst., Kt. 
<br/><br/><label>ISBN: </label>9251032262 9789251032268 
<br/><br/><label>ISSN: </label>0081-4539