00653nam a2200181Ia 4500952015900000999001500159003000400174005001700178008004100195040000900236082001700245100004800262245004200310250001200352260004300364650002400407942004000431  00102ddc40708 Sanitary & municipal engineering aMESbMEScCHEd2019-02-20g300.00l0o628.5 SHA/Ep26107r2019-02-20 00:00:00w2019-02-20yBKzGL17R1  c2904d2904OSt20200821121932.0190216s9999||||xx |||||||||||||| ||und||  coclc  a628.5bSHA/E1 aSharma, B. K.91147d1954-q(Brij Kishore), 0aEnvironmental Chemistry /cB K Sharma  a5th Ed.  bGoel Publishing House,c2000.aMeerut:  aChemistry-Chemistry  cBK2ddch628.5iSHA/Ek628.5mSHA/E