| 000 | 00531nam a22001817a 4500 | ||
|---|---|---|---|
| 001 | 31988 | ||
| 003 | BD-DhUET | ||
| 008 | 150726b xxu||||| |||| 00| 0 eng d | ||
| 040 |
_aDLC _cDLC _dBD-DhUET |
||
| 082 |
_a623.85 _bDAS/1975 |
||
| 100 | _aDas, P.N. | ||
| 245 |
_aIntroduction to automatic telephony _bfor the undergraduate students of tele-communication and electrical engineering |
||
| 250 | _a4th ed. | ||
| 260 |
_aCalcutta _bModern book _c1975 |
||
| 300 |
_a212 p. _billus. |
||
| 650 | 0 | _aTelephony engineering | |
| 942 | _cGB | ||
| 999 |
_c31988 _d31988 |
||