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| 008 | 170101s1985 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 | _aTX631.072G353C | ||
| 100 | _aCARLA CARLSON | ||
| 245 | 0 | _aCROP PRODUCTIVITY-RESEARCH IMPERATIVES REVISITED | |
| 260 | _c1985 | ||
| 300 |
_a304 _ePrint |
||
| 653 | _aCROP PRODUCTIVITY-RESEARCH IMPERATIVES REVISITED | ||
| 942 |
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||
| 999 |
_c940442 _d940442 |
||