| 000 | 00334nam a2200145Ia 4500 | ||
|---|---|---|---|
| 100 | _aBiswas, Nripendra N. | ||
| 020 | _a81-85099-04-9 | ||
| 365 | _b45 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aPrinciples of telegraphy | ||
| 260 |
_aMumbai _bMedia Promoters & Publishers _c1992 |
||
| 082 | _a384.1 | ||
| 300 |
_bPb _c21cm _ax, 186 |
||
| 999 |
_c416023 _d416023 |
||
| 041 | _aeng | ||