| 000 | 00333nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 140205s9999 xx 000 0 und d | ||
| 100 | _aSharma, S. K. ed. | ||
| 245 | _aCropping systems research-A continuing challenge | ||
| 260 |
_bProject directorate for cropping systems research _aMeerut, U.P _c1992 |
||
| 300 | _a45 | ||
| 942 |
_2ddc _cTR |
||
| 999 |
_c5160 _d5160 |
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