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| 005 | 20210907120554.0 | ||
| 008 | 210907b xxu||||| |||| 00| 0 eng d | ||
| 040 | _cIIT Kanpur | ||
| 041 | _aeng | ||
| 110 | _aNational Technical Information Service | ||
| 245 |
_aHow to use natural energy _bnatural energy centre, Kingston upon Thames (England) _cNational Technical Information Service |
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| 260 |
_aWashington _bNational Technical Information Service _c1978 |
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| 300 | _a60p | ||
| 500 | _aPB-292 587 | ||
| 942 | _cTR | ||
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