| 000 | 00353nam a2200133Ia 4500 | ||
|---|---|---|---|
| 999 |
_c24623 _d24623 |
||
| 008 | 190711s9999 xx 000 0 und d | ||
| 020 | _a0201565064 | ||
| 082 | _a621.38415 H1961;9 | ||
| 100 | _aHalsall, Fred. | ||
| 245 | 0 | _aData Communications, Computer Networks and Open | |
| 260 |
_aEngland _bAddison Wesley _c1994 |
||
| 300 | _a25X20 | ||
| 942 | _cBK | ||