000 00380nam a2200121Ia 4500
008 180713s9999 xx 000 0 und d
082 _a624
_bISI-I
100 _aBUREAU OF INDIAN S
245 0 _aINDIAN STANDARD CODE OF PRACTICE FOR ACOUSTICAL DESIGN OF AUDITORIUMS AND CONFERENCE HALLS
_b: IS2526-1963
260 _aND
_bBUREAU OF INDIAN ST
_c1984
270 _aLUCKNOW
942 _cGB
999 _c3063
_d3063