000 00300nam a2200121Ia 4500
008 170101s2013 xx 000 0 und d
082 _a630 SPA
100 _aSparks D.L.
245 0 _aAdvances In Agronomy Vol. 118
260 _aLondon
_bAcademic Press
_c2013
300 _a494 P
942 _2ddc
_cB
999 _c1527216
_d1527216