| 000 | 00455nam a2200205Ia 4500 | ||
|---|---|---|---|
| 001 | 4954 | ||
| 003 | 0000 | ||
| 005 | 20210909124057.0 | ||
| 008 | 141107s9999 xx 000 0 und d | ||
| 020 | _a0 906048 46 X | ||
| 040 | _cTUM | ||
| 100 | _aWelch Samuel | ||
| 245 | _aSignalling In Telecommunications Networks | ||
| 250 | _a0 | ||
| 260 | _aLondon | ||
| 260 | _bPeter Peregrinus Ltd | ||
| 260 | _c1981 | ||
| 300 | _a,;ill. | ||
| 942 |
_2lcc _cBK |
||
| 999 |
_c34631 _d34631 |
||