TY - GEN AU - Surkys,Tadas AU - Bertulis,Algis AU - Bulatov,Aleksandr TI - Delboeuf illusion study SN - 1648-9144 PY - 2006///1005 KW - Humans KW - Light KW - Models, Theoretical KW - Optical Illusions KW - Photic Stimulation KW - Psychophysics KW - Size Perception N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't ER -