000 00404nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aSingh A.
245 0 _a"Environmental engineering, vol.-I"
260 _aDelhi
260 _bInternational Book Traders
260 _c1984
300 _a248p.
365 _b250
650 _aCIVIL
700 _aSharma U. S.
942 _cDBK
999 _c16326
_d16326