| 000 | 00414nam a2200169Ia 4500 | ||
|---|---|---|---|
| 001 | aQ2071 | ||
| 008 | 220802s9999 xx 000 0 und d | ||
| 020 | _aNA | ||
| 100 | _a Siemens - - | ||
| 245 | 0 | _aSiemens Step 7 user Manual | |
| 250 | _a.NA | ||
| 260 |
_aNurnberg _c.NA |
||
| 300 | _axxx,varies | ||
| 600 | _aComputer Science | ||
| 650 | _aComputer science, information & general works | ||
| 942 |
_bBooks _cBK |
||
| 999 |
_c3797 _d3797 |
||