000 00328nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _bBIS
100 _aBurean of India Standerdes
245 0 _a15-8112-1989-4 43great ordinary portland cement specification
260 _aNew Delhi
_bB I S
_cMay-90
300 _a7
942 _2ddc
999 _c28439
_d28439