000 00400nam a2200121Ia 4500
082 _aIS Code
_bI.S.I
100 _aBureau of Indian Standards[BIS]
245 _aIS:5182-(Pt.13)-1991. Indian standard method for measurement of air pollution. Pt.13 : total fluorides in ambient air.
260 _aNew Delhi
_bBureau of Indian Standards
_c1991
300 _a4p.
500 _aENG
890 _aIndia
999 _c19098
_d19098