000 00513nam a2200193Ia 4500
999 _c1230
_d1230
003 OSt
005 20191223130850.0
008 181031s9999 xx 000 0 und d
040 _ckrvia
082 _a691
082 _bBIS
245 _aIndian Standards: Rock Mechanics, safety in construction;sanitary appliances and water fittings;special strcutures
250 _a2nd.ed.
260 _bBureau of Indian Standards
260 _c0
300 _a19 booklets.
365 _b0
365 _d0
365 _e0
650 _aBuilding Materials
_917
942 _cBK
_2ddc