000 00376nam a2200133Ia 4500
005 20250405085316.0
008 240923s9999 xx 000 0 und d
100 _aIndian Standards Institution
245 0 _aMethods for measurement of Air pollution part VIII sulphation rate
260 _aNew Delhi
260 _bIndian Standards Institution
260 _c1977
942 _cBK
999 _c37712
_d37712
650 _aMethods of measuring sulphation rate in air pollution ar