| 000 | 00399nam a22001097a 4500 | ||
|---|---|---|---|
| 082 | _a621.382 PER'E | ||
| 100 |
_aPERKINS, W. T _979917 |
||
| 245 | _aELEMENTARY TELECOMMUNICATION EXAMINATION GUIDE COVERING THE CITY AND GUILDS OF LONDON INSTITUTE EXAMINATION IN ELEMENTARY TELECOMMUNICATION PRACTICE AND TELECOMMUNICATION PRINCIPLES | ||
| 260 |
_aLONDON _bGEORGE _c1958 |
||
| 300 | _a320P | ||
| 942 | _cBK | ||
| 999 |
_c584899 _d584899 |
||