000 00353nam a2200109Ia 4500
082 _aIS CODE
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:2250-1981. Indian standard code of practice for preparation and use of masonry mortars.
260 _aNew Delhi
_bBureau of Indian Standards
_c1999
300 _a31p.
890 _aIndia
999 _c18517
_d18517