Wersching, Helmuth (ing.)
| Nume personal | |
| Nume personal | Wersching, Helmuth (ing.) |
| Element de intrare | |
| Autoritate | Wersching, Helmuth (ing.) |
200
0_
$aWersching, Helmuth (ing.)
299 __ $aWersching, Helmuth (ing.)
299 __ $aWersching, Helmuth (ing.)