000			00463nam a2200157Ia 4500
008			140205s9999 xx 000 0 und d
020			_a0471090328
082			_a631.41/BAR
100			_aBarber, Stanley A
245			_aSoil nutrient bioavailability: A mechanistic approch
260			_bJohn Wiley & Sons _aNew York _c1984
300			_a398
650			_aCrops--Nutrition--Mathematical models
650			_aSoil fertility--Mathematical models
942			_2ddc _cBK
999			_c2068 _d2068