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082 _aNOR
100 _aNorman AG
245 _aAdvances in Agronomy Vol. 20
_cNorman, AG;
246 _aAdvances in Agronomy Vol. 20
260 _aLodon
_bA.P.
365 _b282.75
650 _aAgronomy
700 _aNorman, AG
700 _aNorman AG
999 _c14535
_d14535