The cube made interesting. Translated from the Polish by Wacław Zawadowski. Ciekawy sześcian. English Ehrenfeucht, Aniela. Cube. QA491 .E33 1964 511.7 EHC "A Pergamon Press book." Anaglyphoscope in pocket. Translation of Ciekawy sześcian. New York, Macmillan, 1964. 1964. 1964 Text vii, 83 p. : eng engpol Popular lectures in mathematics ; [v. 9] Popular lectures in mathematics (New York, N.Y.) ; v. 9.