00768nam0-22003011i-450-990001070460403321000107046FED01000107046(Aleph)000107046FED0100010704620000920d1964----km-y0itay50------baengOptical IllusionsBy S. TolanskyOxford [etc.]Pergamon Press1964OtticaOttica elettronica535537.56Tolansky,Samuel2010ITUNINARICAUNIMARCBK99000107046040332127-0314O52FI127-031.00115800FI1FI1Optical Illusions339903UNINAING01