000 00492nam a22001937a 4500
001 29696
003 BD-DhUET
008 150617b xxu||||| |||| 00| 0 eng d
020 _a8120319303
040 _c0
_dBD-DhUET
082 _a628
_bRAO/2002
100 _aRao, P. Venugopala
245 _aTextbook of environmental engineering
250 _a1st ed.
260 _aNew Delhi
_bPrentice-Hall of India
_c2002
300 _a268 p.
_bill.
650 0 _aEnvironmental engineering
942 _cGB
999 _c29696
_d29696