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_a363.7 _223 _bASE |
| 100 | _a Asthana, D. K. | ||
| 245 | 1 | 0 |
_aEnvironment : _bproblems & solutions / _cD. K. Asthana and Meera Asthana. |
| 250 | _a2nd ed. | ||
| 260 |
_aNew Delhi : _bS. Chand Co., _c2001. |
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| 300 |
_axix, 434 p. : _bill. ; _c24 cm. |
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| 650 | 0 | _aEnvironmental Science. | |
| 700 | 1 | _aAsthana, Meera. | |
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