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| 020 | _a0 471 04764 3 | ||
| 040 | _cJayakar Knowledge Resource Centre | ||
| 100 | _aPayne, W J A | ||
| 245 | 0 | _aDenitrification | |
| 260 |
_bWILEY INTERSCIENCE ,A JOHN WILEY &SONS,INC.,PUBLICATION _anewyork _c1981 |
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| 653 | _aelelctronics | ||
| 942 | _c1 | ||
| 999 |
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