Accessibility requirements suitable for public procurement of ICT products and services in Europe; English version EN 301 549 V1.1.2 (2015-04); Text in German, only on CD-ROM— 290 стр.
Accessibility requirements suitable for public procurement of ICT products and services in Europe; English version EN 301 549 V1.1.2 (2015-04); Text in German, only on CD-ROM— 290 стр.