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	1.	Reflections on then and now. [electronic resource] by Robertson, Meg Producer: 20110609 In: South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde vol. 101 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Quantitative and qualitative evaluation of PERCEPT indoor navigation system for visually impaired users. [electronic resource] by Ganz, Aura Schafer, James Puleo, Elaine Wilson, Carole Robertson, Meg Producer: 20130730 In: Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference vol. 2012 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	PERCEPT-II: smartphone based indoor navigation system for the blind. [electronic resource] by Ganz, Aura Schafer, James M Tao, Yang Wilson, Carole Robertson, Meg Producer: 20151130 In: Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference vol. 2014 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	PERCEPT Indoor Navigation System for the Blind and Visually Impaired: Architecture and Experimentation. [electronic resource] by Ganz, Aura Schafer, James Gandhi, Siddhesh Puleo, Elaine Wilson, Carole Robertson, Meg Producer: 20130115 In: International journal of telemedicine and applications vol. 2012 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)