| 000 | 00431nam a2200145Ia 4500 | ||
|---|---|---|---|
| 999 |
_c2238 _d2238 |
||
| 003 | OSt | ||
| 005 | 20200313151545.0 | ||
| 008 | 160331s1988 xx 000 0 und d | ||
| 080 | _a630*232 N2 | ||
| 100 | _aIndian Society of Agronomy, New Delhi | ||
| 245 | _aProceedings of National Symposium on efficient cropping systems zones of India | ||
| 260 |
_bIndian Society of Agronomy, New Delhi _c1988 |
||
| 300 | _a126 | ||
| 942 |
_2udc _cBK |
||