000 00262nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aSparks, D.L.
245 0 _aAdvances in Agronomy Vol.63
260 _aLondon
_bAcademic
_c1998
300 _a277p.
942 _2ddc
999 _c25539
_d25539