000 00333nam a2200133Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631(047.1 J3.5
100 _a" Norman, A. G."
245 _aAdvances in agronomy v.5
260 _b"New York : Academic Press Inc, 1953"
300 _a422p.
650 _aAgronomy
942 _cBK
999 _c62639
_d62639