My grandfather worked with Marcell Jánosi https://www.inventingeurope.eu/knowledge/floppy-contradictions&object https://www.inventingeurope.eu/knowledge/floppy-

My grandfather worked with Marcell Jánosi https://www.inventingeurope.eu/knowledge/floppy-contradictions&object https://www.inventingeurope.eu/knowledge/floppy-contradictio...