000			00292nam a22001337a 4500
003			OSt
008			240719b |||||||| |||| 00| 0 eng d
082			_a631 _bF60G
100			_aFAO
245			_aGuidelines for farming systems
260			_aFAO Rome _c1989
300			_a92
942			_2ddc _cRP
999			_c41890 _d41890