000 00306nam a2200109Ia 4500
008 220201s1996 xx 000 0 eng d
100 _aIS 8381 1977
245 0 _aRECOMMENDED PRACTICE FOR QUARRYING SLOWS FOR COUST PURPOSE
260 _aDELHI
_bBUREAU OF INDIAN STANDARD
_c1996
300 _a10
942 _2ddc
999 _c91899
_d91899