| 000 | 00506nam a2200193Ia 4500 | ||
|---|---|---|---|
| 008 | 220516s9999 xx 000 0 und d | ||
| 020 | _a818527309-X | ||
| 041 | _aeng | ||
| 082 |
_a621.385 _bBIS/P |
||
| 100 | _aBiswas, N.N. | ||
| 245 | 0 |
_aPrinciples of telephony _c / by N.N. Biswas |
|
| 260 |
_aNew York: _bAsia Publication House, _c1970. |
||
| 300 | _a136p. | ||
| 650 | _aApplied physics | ||
| 650 | _aGroup sector | ||
| 650 | _aManual telephony | ||
| 650 | _aTelephone instruments | ||
| 942 | _cBK | ||
| 999 |
_c2862 _d2862 |
||