000 00309nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631(02) P2.75
100 _a"Sparks, D. L., ed."
245 _aAdvances in Agronomy -vol.75
260 _a2002
_bAcademic Press
_cSan Diago
300 _a251
942 _cBK
999 _c61352
_d61352