| 000 | 00346nam a22001097a 4500 | ||
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| 999 |
_c8068 _d8068 |
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| 003 | OSt | ||
| 005 | 20200704130312.0 | ||
| 008 | 200704b ||||| |||| 00| 0 eng d | ||
| 245 | _aIndian Stndard code of Practice for Acoustical design of Auditoriums and conference Halls-is:2526-1963 | ||
| 260 |
_aNew Delhi _bBureau of Indian standarads |
||
| 942 | _2ddc | ||