000 | 00442nam a2200109Ia 4500 | ||
---|---|---|---|
082 |
_aIS CODE _bI.S.I |
||
100 | _aIndian Standards Institution[ISI] | ||
245 | _aIS:9901-(Pt.4)-1981. Indian standard measurements of sound insulation in buildings and building elements. Pt.4 : field measurements of airborne sound insulation between rooms. | ||
260 |
_aNew Delhi _bIndian Standards Institution _c1982 |
||
300 | _a14p. | ||
890 | _aIndia | ||
999 |
_c19487 _d19487 |