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040 _aBD-DhUAP
_bEng
_cBD-DhUAP
_dBD-DhUAP
082 _223
_a628 RAO
100 _aRao, P. Venugopala.
245 _aTextbook of environmental engineering /
_cP. Venugopala Rao.
260 _aNew Delhi :
_bPrentice-Hall of India,
_cc2002 [2003].
300 _axii, 268 pages :
_billustrations ;
_c25 cm.
500 _aIncludes index.
650 _aEnvironmental engineering.
942 _2ddc
_cBK