| 000 | 00348nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1989 xx 000 0 und d | ||
| 082 | _a631.87 SIN | ||
| 100 | _aSingh A.L. | ||
| 245 | 0 | _aNitrogen Fixation in Indian Rice Fields (Azolla and Blue Green Alge) | |
| 260 |
_aBikaner _bAgro Botanical Pub. _c1989 |
||
| 300 | _a236 p. | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c1062816 _d1062816 |
||