000			00351nam a2200157Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
245		0	_a"I S 2911 pt. I / sec 1, III 1979"
260			_aNULL
260			_bIndian Standards Institution.
260			_c1980
300			_a33p.
365			_b22
650			_aGENERAL
942			_cDBK
999			_c16489 _d16489