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_222 _a628 _bDUG |
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| 100 |
_913102 _aDuggal, K. N. |
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| 245 |
_aElements of Environmental Engineering/ _cK. N. Duggal |
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| 260 |
_aNew Delhi: _bS. Chand, 1966 _c1966 |
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| 300 |
_a440p.: _bill.; _c23 cm. |
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| 504 | _aIncludes bibliographical references (p.422-423) and index | ||
| 650 |
_911559 _aEnvironmental engineering. |
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| 942 |
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_c13775 _d13775 |
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_p000020332 _40 _epurchase _00 _u20903 _bMAIN _10 _o628 DUG _d2010-03-24 _8Alahram _h27 _70 _cLIB1 _2ddc _g60.00 _yBB _aMAIN |
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