000 00287nam a2200121Ia 4500
008 220201s1970 xx 000 0 eng d
082 _bISI
100 _aISI
245 0 _aSpecification for autoclaved cellular concrete
260 _aNew Delhi
_bISI
_c1970
300 _a10
942 _2ddc
999 _c20066
_d20066