| 000 | 00461pam a2200133a 44500 | ||
|---|---|---|---|
| 008 | 140414b1960 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a621.381 _bATT |
||
| 110 | _aAmerican Telephone and Telegraph Company | ||
| 245 |
_aThe Bell System Techical Journal Vol. 39 Jan. -Jun. 1960 _c |
||
| 260 |
_aAMERICA _bAMERICAN TELEPHONE AND TELEGRAPH COMPANY _c1960 |
||
| 650 | _aTELEPHONE AND TELEGRAPH | ||
| 690 | _aELECTRONICS AND COMMUNICATION ENGINEERING | ||
| 906 | _a43557 | ||
| 999 |
_c41217 _d41217 |
||