| 000 | 00370nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 231217s9999 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 | _a621.382 BIS;1 | ||
| 100 | _aBiswas, Nripendra N. | ||
| 245 | 0 | _aPrinciples of telegraphy | |
| 250 | _a1st ed. | ||
| 260 |
_c1964 _bMedia Promoters |
||
| 300 | _axi | ||
| 650 | _aTelegraphy | ||
| 942 | _cAA | ||
| 999 |
_c160883 _d160883 |
||