| 000 | 00421nam a22001337a 4500 | ||
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| 999 |
_c6882 _d6882 |
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| 005 | 20191220143909.0 | ||
| 008 | 171109b xxu||||| |||| 00| 0 eng d | ||
| 082 |
_222 _a630 TRI |
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| 245 |
_aPlanned change in farming systems: Progress in on-farm research/ (Acc: D 1334) _cby Robert Tripp |
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| 260 |
_aNew York: _bJohn Wiley & Sons. _c1991 |
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| 300 |
_ax, 348 p _bill., _c15 cm. |
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| 700 | _aTripp, Robert | ||
| 942 |
_2ddc _cAG |
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