Publication

Date Item Type Full Text Status

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Providing interactive access to architectural floorplans for blind people. (2006) Helen Petrie, Neil King, Anne-Marie Burn and Pete Pavan

MoBIC: An Aid to Increase the Independent Mobility of Blind Travellers. (1997) Helen Petrie, Valerie Johnson, Thomas Strothotte, Andreas Raab, R. Michel, Lars Reichert and Axel Schalt

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The tactile depiction of visual conventions : the advantage of explicit cues. (2000) Angus I. G. Ramsay and Helen Petrie picture_as_pdf