000 00339nam a2200121Ia 4500
082 _aIS CODE
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:1659-1990. Indian standard blockboards specification.
260 _aNew Delhi
_bBureau of Indian Standards
_c1991
300 _a11p.
500 _aENG
890 _aIndia
999 _c18362
_d18362