UNE-EN 301104 V1.1.1 (Ratified) Human factors (HF). Requirements derived from the human factor for the European telephone numbering area (English)
Proposal for a Municipal Ordinance model on universal accessibility of urbanized public spaces and buildings, modes of transportation and technologies, information and communication products and services
UNE-EN 62489-1:2011 Electroacoustics. Induction loop systems for audiofrequency in assisted hearing. Part 1: Methods of measurement and specification of the operation of system components