000 00319nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
100 _aIS 1123 1975
245 0 _aIS METHOD OF IDENTIFICATION OF NATURAL BUILDING STONES
250 _a1
260 _aDELHI
_bBUREAU OF INDIAN STANDARD
_c1975
300 _a7
942 _2ddc
999 _c93819
_d93819