000 00331nam a2200157Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
245 0 _aI S 516 - 1959
260 _aNULL
260 _bIndian Standards Institution.
260 _c1959
300 _a24p.
365 _b16
650 _aGENERAL
942 _cDBK
999 _c16460
_d16460