Who's who in technology : ed. Austria, Germany, Switzerland ; a biographical encyclopedia / ed. by Otto J. Groeg
| Beste egile batzuk: | |
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| Formatua: | Liburua |
| Hizkuntza: | German |
| Argitaratua: |
Wörthsee b. München :
Who's who Book u. Publ. Ges.,
1979
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| Edukiak/piezak: | 1 erregistroak |