000 00371nam a2200109Ia 4500
082 _aIS Code
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:4991-1968. Indian Standard criteria for blast resistant design of structures for explosions above ground.
260 _aNew Delhi
_bBureau of Indian Standards
_c1969
300 _a38p.
890 _aIndia
999 _c19086
_d19086