| 000 | 00487 a2200253 4500 | ||
|---|---|---|---|
| 001 | 69151 | ||
| 020 | _a0 | ||
| 041 | _aeng | ||
| 080 | _a621.39 Per | ||
| 245 | _aTelecommnications : principles and practice | ||
| 250 | _a | ||
| 260 | _aLondon | ||
| 260 | _b: George Newnes, n.d. | ||
| 260 | _c | ||
| 300 | _aviii,384 p. | ||
| 300 | _c18 cm | ||
| 490 | _a | ||
| 100 | _aPerkins, W.T. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aTelecommunication | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c55887 _d55887 |
||