10 ms·
Invented by https://en.wikipedia.org/wiki/Rudolf_E._K%C3%A1lm%C3%A1n https://en.wikipedia.org/wiki/Rudolf_E._K%C3%A1lm%C3%A1n
by sajt 11y ago
Invented by https://en.wikipedia.org/wiki/Rudolf_E._K%C3%A1lm%C3%A1n https://en.wikipedia.org/wiki/Rudolf_E._K%C3%A1lm%C3%A1n