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020 _a0074604422
040 _aPSP
_cPSP
090 _aTD146
_bR215 1993
100 1 _aRao, M. Narayana
245 1 0 _aEnvironmental engineering /
_cM. Narayana Rao and V. Thanikachalam
260 _aNew Delhi,India :
_bTata McGraw-Hill,
_c1993.
300 _a268p.;
_c24 cm
490 0 _aTechnical Education Series
500 _aIncludes bibliographical and references and index
650 0 _aEnvironmental engineering
700 1 _aThanikachalam, V
942 _cBK
_2lcc
999 _c10899
_d10899
952 _p0000032769
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_oTD146.R215 1993
_d2010-07-17
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