| 000 | 00475nam a22001817a 4500 | ||
|---|---|---|---|
| 003 | NUST - PNEC | ||
| 005 | 20170116181028.0 | ||
| 008 | 150918b xxu||||| |||| 00| 0 eng d | ||
| 040 | _cLIBRARY | ||
| 082 | _a621.38775 BER | ||
| 100 |
_910936 _aBerkeley, G. S |
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| 245 |
_aTraffic and trunking principles in automatic telephony _cG. S Berkeley |
||
| 250 | _a2nd ed. | ||
| 260 | _c1949 | ||
| 650 |
_910938 _aTelephone, Automatic |
||
| 651 | _xEL, Comm | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c67637 _d67637 |
||