| 000 | 00332pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 2410 |
||
| 100 | _aFranke,H C | ||
| 245 | 1 | _aNOISE MEASUREMENTS ON TELEPHONE CIRCUITS | |
| 260 |
_a _b _c1955 |
||
| 300 | _a3 | ||
| 500 | _aBound With Bts Mono 2401-09,2411-29.Lack No. 2407. | ||
| 964 | _gCIRC | ||
| 997 | _aTR19997 C | ||
| 999 |
_c402322 _d402322 |
||