| 000 | 00344nam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 230922b |||||||| |||| 00| 0 eng d | ||
| 022 | _a0005-8580 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aBell system technical journal | ||
| 260 |
_aNew Jersey: _bAmerican Telephone and Telegraph Company, |
||
| 942 |
_cCR _2udc |
||
| 999 |
_c61624 _d61624 |
||