000			00331nam a2200157Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
245		0	_aI S 459 - 1970
260			_aNULL
260			_bIndian Standards Institution.
260			_c1971
300			_a10p.
365			_b10
650			_aGENERAL
942			_cDBK
999			_c16408 _d16408