000 00301nam a2200121Ia 4500
008 170101s2007 xx 000 0 und d
082 _a630 SPA
100 _aSparks D.L.
245 0 _aAdvances In Agronomy Vol : 95
260 _aLandon
_bAcademic Press
_c2007
300 _a378 p.
942 _2ddc
_cB
999 _c1335966
_d1335966