000 00228nam a2200073 4500
080 _a
_b
245 _aIS: 1129 - 1972 Reaffirmed 1993; Recommendation of dressing of natural building stones
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1972
300 _a8p
999 _c34582
_d34582