Who's who in technology 1 ohneTitel
| Beste egile batzuk: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | German |
| Argitaratua: |
Wörthsee b. München :
Who's who Book u. Publ. Ges.,
1979
|
| Saila: | Who's who in technology
|
| Sailkapena: | IV b W 59 |
|---|