000 00405nam a2200109Ia 4500
082 _aIS Code
_bI.S.I
100 _aBureau of Indian Standards[BIS]
245 _aIS:3025-(Pt.38)-1989. Indian standard methods of sampling and test (physical and chemical) for water and waste water. Pt.38 : dissolved oxygen.
260 _aNew Delhi
_bBureau of Indian Standards
_c1990
300 _a3p.
890 _aIndia
999 _c18769
_d18769