| 000 | 00412nam a2200169Ia 4500 | ||
|---|---|---|---|
| 020 | _a818527309x | ||
| 082 |
_a621.385 _bBIP |
||
| 100 |
_aBiswas, Nripendra N. _999688 |
||
| 245 |
_aPrinciples of telephony _c Nripendra N. Biswas |
||
| 260 |
_aBangalore: _bRadiant Books, _c1993. |
||
| 300 | _b138p. | ||
| 500 | _aHB | ||
| 546 | _aEng | ||
| 650 |
_aTelephone _999689 |
||
| 650 |
_aTelephony _999690 |
||
| 942 | _cBK | ||
| 999 |
_c1216 _d1216 |
||