000 00304nam a2200109Ia 4500
008 220201s1996 xx 000 0 eng d
100 _aIS 5182 PART XV 1974
245 0 _aMETHODS FOR MEASUREMENT OF AIR POLLUTION PART XX
260 _aDELHI
_bBUREAU OF INDIAN STANDARD
_c1996
300 _a10
942 _2ddc
999 _c91893
_d91893