000			00348nam a2200145Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a9251003955
041			_aen
082			_a631.86
100			_aFood & Agriculture Organizatio
245		0	_aOrganic materials as fetilizers
260			_aRom _bFAO _c1975
300			_avi, 394p.
942			_cSR
999			_c79450 _d79450