000 00319nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _bBIS
100 _aBurean of India Standerdes
245 0 _a15-6061(P+1):1971 code of practice for construction
260 _aNew Delhi
_bB I S
_cAug-71
300 _a11
942 _2ddc
999 _c28429
_d28429