00741nam0-22002771i-450-990001062030403321000106203FED01000106203(Aleph)000106203FED0100010620320000920d1981----km-y0itay50------baengNotes on Rubik's Magic CubeDavid SingmasterNew York [etc.]Penguin Books1981iv, 60 p.ill.21 cmMiscellanea082Singmaster,David50607ITUNINARICAUNIMARCBK99000106203040332141-02712335FI1FI1Notes on Rubik's Magic Cube340236UNINAING01