000 00387nam a2200121Ia 4500
082 _aIS Code
_bI.S.I
100 _aIndian Standards Institution[ISI]
245 _aIS:5182-(Pt.6)-1975. Indian standard method for measurement of air pollution. Pt.6 : nitrogen oxides.
260 _aNew Delhi
_bIndian Standards Institution
_c1984
300 _a6p.
500 _aENG
890 _aIndia
999 _c19112
_d19112