search query: @author Helfrecht, Manfred / total: 3
references: 3-3 / 3
« previous page | next page »
| title | year | author | ||
| 3. |
Methodik
1994 : 2, p. 77-79 |
1994 | Helfrecht, Manfred |
« previous page | next page »
SCIMA
| title | year | author | ||
| 3. |
Methodik
1994 : 2, p. 77-79 |
1994 | Helfrecht, Manfred |