000			00370nam a2200109Ia 4500
082			_aIS Code _bI.S.I
100			_aIndian Standards Institution[ISI]
245			_aIS:9679-1980. Indian standard code of practice for work environment monitoring (airborne contaminants).
260			_aNew Delhi _bIndian Standards Institution _c1981
300			_a10p.
890			_aIndia
999			_c19473 _d19473