| 000 | 00571 a2200277 4500 | ||
|---|---|---|---|
| 001 | 63328 | ||
| 020 | _a0-672-27350-039 | ||
| 041 | _aeng | ||
| 080 | _a621.395 Und | ||
| 245 | _aUnderstanding telephone electronics | ||
| 250 | _a3rd ed | ||
| 260 | _a | ||
| 260 | _bIndiana : Hyden Books, 1991 | ||
| 260 | _c1991 | ||
| 300 | _av,367 p. | ||
| 300 | _c23.5 cm | ||
| 490 | _a | ||
| 100 | _a | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aTelephone switching systems, Electronic | ||
| 650 | _aTelecommunication | ||
| 650 | _aTelephone | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c31924 _d31924 |
||