| |
|
Ulam spirál (prím-spirál) - Ulam spiral
|
131112 |
| |
|
Rail transport in the Russian Far East
|
131166 |
| |
|
Rail transport in Siberia
|
131165 |
| |
|
Astronomical instrument
|
131174 |
| |
|
Arab inventions
|
131175 |
| |
|
Historical scientific instruments
|
131173 |
| |
|
számítógépes grafika - Computer graphics
|
131183 |
| |
|
torquetum
|
131176 |
| |
|
Menczer Gusztáv
|
131156 |
| |
|
Hédervári Péter - Péter Hédervári
|
94877 |