AGRIS/CARIS :  categorization scheme / 
Systems and projects development branch, Library and documentation systems division, Food and agriculture organization of the United Nation Rome. 
 - Rome :  S. n.,  1990. 
 - 175 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Сельское хозяйство
<br/><br/><label>Subjects--Index Terms: </label>categorization scheme scope