| 000 | 00518 a2200265 4500 | ||
|---|---|---|---|
| 001 | 1012511 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _a621.391 Gui-(4) | ||
| 245 | _aCommunication networks | ||
| 250 | _a | ||
| 260 | _aNew York | ||
| 260 | _bJohn Wiley | ||
| 260 | _c1931 | ||
| 300 | _av.1 | ||
| 300 | _c22 cm | ||
| 490 | _a | ||
| 100 | _aGuillemin, Ernst A. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aTelecommunication | ||
| 650 | _aTelecommunication , Electric networks | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c116347 _d116347 |
||