| 000 | 004570000a22001810004500 | ||
|---|---|---|---|
| 020 | _a0 7131 2687 6 | ||
| 060 | _a100 | ||
| 082 | _a581.133 5 POS | ||
| 100 | _aPostgate, John | ||
| 245 | _aNitrogen fixation | ||
| 260 | _aNew Delhi, Oxford & IBH publishing co. pvt. ltd | ||
| 260 | _c1978 | ||
| 300 | _a67 | ||
| 490 |
_a92 _cStudies in biology |
||
| 490 | _aStudies in biology | ||
| 650 | _aNitrogen fixation/ Nitrogen cycle- Plants | ||
| 942 | _cBK | ||
| 999 |
_c215180 _d215180 |
||