| 000 | 00416nam a2200109Ia 4500 | ||
|---|---|---|---|
| 082 |
_aIS CODE _bI.S.I |
||
| 100 | _aIndian Standards Institution[ISI] | ||
| 245 | _aIS:9901-(Pt.2)-1981. Indian standard measurements of sound insulation in buildings and building elements. Pt.2 : statement of precision requirements. | ||
| 260 |
_aNew Delhi _bIndian Standards Institution _c1982 |
||
| 300 | _a10p. | ||
| 890 | _aIndia | ||
| 999 |
_c19485 _d19485 |
||