| 000 | 00477 a2200253 4500 | ||
|---|---|---|---|
| 001 | 109455 | ||
| 020 | _a1 | ||
| 041 | _aeng | ||
| 080 | _a621.391 Bla-2 | ||
| 245 | _aNoise and its effect on communication. | ||
| 250 | _a | ||
| 260 | _a | ||
| 260 | _bMCGRAW-HILL, NEW YORK, | ||
| 260 | _c1966 | ||
| 300 | _ap.ix,212, illus., 23cm., | ||
| 300 | _c | ||
| 490 | _a | ||
| 100 | _aBlachman, N.M.\ | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _a | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c120757 _d120757 |
||