000 00317nam a2200121Ia 4500
008 220201s2009 xx 000 0 eng d
100 _aSP 21 2005
245 0 _aSUMMARIES OF INDIAN STANDARDS FOR BUILDING MATERIALS
250 _a2
260 _aDELHI
_bBUREAU OF INDIAN STANDARD
_c2009
300 _a274
942 _2ddc
999 _c93909
_d93909