Media type: E-Article Title: Which way is upright and normal? Haptic perception of letters above head level Contributor: Mirabella, Giuseppe; Kennedy, John M. Published: Springer Science and Business Media LLC, 1999 Published in: Perception & Psychophysics, 61 (1999) 5, Seite 909-918 Language: English DOI: 10.3758/bf03206905 ISSN: 0031-5117; 1532-5962 Keywords: Sensory Systems ; General Psychology ; Experimental and Cognitive Psychology Origination: Footnote: Access State: Open Access