000			00310nam a2200145Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
245		0	_aI S 6932 Pt. I
260			_aNULL
260			_bIndian Standards Institution.
260			_c1980
365			_b70
650			_aGENERAL
942			_cDBK
999			_c16499 _d16499