| 000 | 00344nam a22001337a 4500 | ||
|---|---|---|---|
| 005 | 20210812101933.0 | ||
| 008 | 210812b ||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 100 |
_aSchonbek R J _925064 |
||
| 245 | _aElectronic communications modulation and transmission | ||
| 260 |
_aN Delhi _bUniversal _c1989 |
||
| 300 | _a628 | ||
| 942 | _cBK | ||
| 999 |
_c62621 _d62621 |
||