000 00306nam a2200109Ia 4500
008 180713s9999 xx 000 0 und d
082 _a624
_bISI-I
245 0 _aINDIAN STANDARD SCHEDULE OF UNIT WEIGHTS FO BUILDING MATERIALS
_b: ISI NO.1911-1967
260 _aND
_bISI
_c1984
270 _aLUCKNOW
942 _cGB
999 _c2557
_d2557