000 | 00417nam a2200169Ia 4500 | ||
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999 |
_c5709 _d5709 |
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008 | 140515s9999||||xx |||||||||||||| ||und|| | ||
040 |
_aUPES LIBRARY _bEnglish |
||
082 |
_a620.8 _bDUG |
||
100 |
_aDuggal, KN _941985 |
||
245 | _aElements of environmental engineering | ||
260 |
_aNew Delhi: _bS Chand, _c2004 |
||
300 | _a504p. | ||
650 |
_aEnvironmental Engineering _941986 |
||
942 | _cBK |