| 000 | 00563nam a22001697a 4500 | ||
|---|---|---|---|
| 008 | 230317b |||||||| |||| 00| 0 eng d | ||
| 020 | _a0932764061 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 621.39''1925/1980'' _bM4 |
||
| 245 |
_aHistory of engineering and science in the bell system: _bCommunications sciences (1925-1980) |
||
| 260 |
_aIndianapolis: _bAT&T Bell Laboratories, _c1984 |
||
| 300 | _axxii, 521p. | ||
| 650 | _aTelecommunication | ||
| 653 | _aElectronics | ||
| 700 | _aMillman, S (Ed.) | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c10721 _d10721 |
||