| 000 | 00335nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1997 xx 000 0 und d | ||
| 082 | _a631.4 ISS | ||
| 100 | _aIndian Socity of Soil Science | ||
| 245 | 0 | _aSustainable soil productivity under rice wheat system | |
| 260 |
_aNew Delhi _bISSS _c1997 |
||
| 300 | _a83p. | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c328881 _d328881 |
||