000 00296nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631/635
_bADV.19
245 0 _aAdvances in agronomy. V 19
260 _aNew York
_bAcademic
_c1967
650 _aCorn
650 _aSoil phosphorus
942 _cBK
999 _c20982
_d20982