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  1. Lanners, E.: Illusionen (1973) 10.30
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  2. Seckel, A.: Optische Illusionen (2004) 10.30
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  3. Illusionen 2.0 [Elektronische Ressource] : Wahrnehmung und optische Täuschung ; CD-ROM für Win/Mac (2006) 10.30
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    33.18 / Optik