| 000 | 00374nam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 231102b |||||||| |||| 00| 0 eng d | ||
| 082 |
_a621.3805 _bATT, |
||
| 245 | _aThe Bell System technical journal,Vol.36 | ||
| 260 |
_aNew York: _bAmerican Telephone and Telegraph Company _c1957. |
||
| 300 | _aNo.1-6 | ||
| 650 | _aElectronics & Communication Engineering | ||
| 942 |
_2ddc _cBV |
||
| 999 |
_c79008 _d79008 |
||