000 00317nam a2200121Ia 4500
008 220201s1971 xx 000 0 eng d
082 _bISI
100 _aISI
245 0 _aSpecification for autoclaved reinforced cellular concrete floor & roof slabs
260 _aNew Delhi
_bISI
_c1971
300 _a16
942 _2ddc
999 _c20180
_d20180