. . . "Navigation System for Blind Users in Mobile Computing Environment"@en . "775473" . "2"^^ . "[CC33CAC7C2C4]" . "Rostock" . "Proceedings if IMC '98" . . . "Slav\u00EDk, Pavel" . "Navigation System for Blind Users in Mobile Computing Environment" . "21230" . "RIV:J04/98:212306462!RIV/1998/MSM/MSM8D30" . "2"^^ . "Berka, Roman" . "Navigation System for Blind Users in Mobile Computing Environment" . "Navigation System for Blind Users in Mobile Computing Environment"@en . "Fraunhofer Institut" . . . . "RIV:J04/98:212306462" . "85;94" . . . "0"^^ .