| |
|
numerikus analízis
|
131106 |
| |
|
Rail transport in Siberia
|
131165 |
| |
|
Rail transport in the Soviet Union
|
131164 |
| |
|
Historical scientific instruments
|
131173 |
| |
|
Astronomical instrument
|
131174 |
| |
|
Rail transport in the Russian Far East
|
131166 |
| |
|
torquetum
|
131176 |
| |
|
Arab inventions
|
131175 |
| |
|
Magyar Gulag-rabok
|
131155 |
| |
|
Hédervári Péter - Péter Hédervári
|
94877 |