| 000 | 00506 a2200265 4500 | ||
|---|---|---|---|
| 001 | 97253 | ||
| 020 | _a0 | ||
| 041 | _aeng | ||
| 080 | _a621.317.3 Cro(2) | ||
| 245 | _aAudio measurements | ||
| 250 | _a | ||
| 260 | _aNew York | ||
| 260 | _bGernsback Library, | ||
| 260 | _c1961 | ||
| 300 | _a222 p. | ||
| 300 | _c21.5 cm | ||
| 490 | _a | ||
| 100 | _aCrowhurst, N.H. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aElectric measurement | ||
| 650 | _aAudio frequency | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c49321 _d49321 |
||