000 | 00501nam a2200145Ia 4500 | ||
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008 | 170101s2017 xx 000 0 und d | ||
082 | _a630 I-5 | ||
100 | _aSystem approach for agricultural developement...1993 | ||
245 | 0 | _aInternational Symposium on Systems Approach for ...1991 | |
650 | _aAGRICULTURAL SYSTEM - RESEARCH CONGRESSES | ||
653 | _aAGRICULTURAL SYSTEM - RESEARCH CONGRESSES | ||
653 | _aCROPS - MATHEMATICAL MODELS - CONGRESSES | ||
653 | _aRICE CONGRESSES | ||
942 |
_2ddc _cB |
||
999 |
_c11214 _d11214 |