DIN-Fachbericht 13, Publication date: 2009-11

DIN EN ISO 9241-20, Publication date: 2009-08

Ergonomics of human-system interaction - Part 20: Accessibility guidelines for information/communication technology (ICT) equipment and services (ISO 9241-20:2008); German version EN ISO 9241-20:2009

DIN EN 62508, Publication date: 2011-05

Guidance on human aspects of dependability (IEC 62508:2010); German version EN 62508:2010

VDV 704, Publication date: 2011-04

Lastenheft-Empfehlungen für mobile Ticketautomaten (mTA)