000 00334nam a2200133Ia 4500
008 230703s9999 xx 000 0 und d
100 _aSawyer, C.N.
245 0 _aChemistry for Environmental Engineering & Science
250 _a5th
260 _bTMH
_aNew Delhi
_c2011
300 _a752
650 _aCivil Engineering
942 _cREF
999 _c12372
_d12372