000 00308nam a22001217a 4500
008 131227b xxu||||| |||| 00| 0 eng d
020 _a8131207293
050 _a628
100 _aWeiner Ruth F
245 _aEnvironmental engineering
250 _a4th ed.
260 _aNew Delhi
_bButterworth Heinemann
_c2007
999 _c328535
_d328535