| 000 | 00332nam a2200145Ia 4500 | ||
|---|---|---|---|
| 100 | _aJolley, E. H. | ||
| 020 | _a81-85614-36-9 | ||
| 365 | _b155 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aIntroduction to telephony and telegraphy | ||
| 260 |
_aAllahabad _bWheeler Publishing _c1992 |
||
| 082 | _a621.382 | ||
| 300 |
_bPb _ax,414 |
||
| 999 |
_c376861 _d376861 |
||
| 041 | _aeng | ||