This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Kellerautomat. Kellerautomat svg Kellerautomat selbst erstellt Pushdown automaton selfmade Erstellt vonh Martin Hampl Martin Hampl de Martin Hampl original upload log page de Kellerautomat Martin Hampl bytes no gendert Martin Hampl bytes no selbst erstellt BildPD Martin Hampl bytes no selbst erstellt BildPD Martin