000 00332nam a2200109Ia 4500
008 180713s9999 xx 000 0 und d
082 _a624
_bISI-I
245 0 _aINDIAN STANDARD CODE OF PRACTIC FOR CONSTRUCTION OF LIGHT-WEIGHT CONCRETE BLOCK MASONRY
_b: ISI NO. 6042-1969
260 _aND
_bISI
_c1976
270 _aLUCKNOW
942 _cGB
999 _c2496
_d2496