search query: @keyword variable frequency drive / total: 3
references: 2-3 / 3
« previous page | next page »
title | year | author | ||
2. | 2012 | Kahelin, Petri |
||
3. | 1980 | Mäkelä, Kari |
« previous page | next page »
INSSI
title | year | author | ||
2. | 2012 | Kahelin, Petri |
||
3. | 1980 | Mäkelä, Kari |