000			00385nam a2200157Ia 4500
008			140205s9999 xx 000 0 und d
020			_a0120007207
082			_a630.72/NOR
100			_aNorman, A G., ed.
245			_aAdvances in agronomy, vol 3
260			_bAcademic Press Inc. _aNew York _c1951
300			_a361
650			_aagriculture
650			_aagronomy
942			_2ddc _cBK
999			_c834 _d834