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020 _a8122410979
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040 _aDLC
_cDLC
_dDLC
_dBD-SySUS
082 0 0 _a628
_220
_bELU
100 1 _aElangovan, R.
_918468
245 0 0 _aUnit operations in environmental engineering /
_cR. Elangovan, M.K. Saseetharan.
260 _aNew Delhi :
_bNew age,
_cc1997.
300 _a178 p. ;
_c24 cm.
504 _aIncludes bibliography and index.
650 0 _aSanitary engineering.
_913240
700 1 _aM.K. Saseetharan.
_918469
942 _2ddc
_cBK
999 _c51544
_d51544