000 00491nam a2200205Ia 4500
999 _c1068
_d1068
003 OSt
005 20191223134555.0
008 181031s9999 xx 000 0 und d
040 _ckrvia
082 _a691
082 _bBIS
245 _aSummaries of Indian Standards for Building Materials - SP:21,Sand T:19 83
250 _a2nd.
260 _bIndian Standards Institution
260 _c1985
300 _a496p.
365 _b1100
365 _cRupees
365 _d0
365 _e0
650 _aBuilding Materials
_917
942 _cBK
_2ddc