000 00316nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
020 _a0123743558
082 _a631/635
_bADV.98
100 _aSparks, Donald L
245 0 _aAdvances in agronomy, 2008. V.98
260 _aAmsterdam
_bAcademic Press
_c2008
942 _cBK
999 _c42800
_d42800