Integrated Services Digital Network (ISDN) - Closer User Group (CUG) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user
Edition 2001-04-01

Integrated Services Digital Network (ISDN) - Closer User Group (CUG) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user
Edition 2001-04-01

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Close User Group (CUG) supplementary service - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (V3.1.1)
Edition 2006-12-01

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Close User Group (CUG) supplementary service - Part 6: abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (V1.5.1)
Edition 2006-12-01

Integrated Services Digital Network (ISDN). Signalling System n o 7 ISDN User Part (ISUP) version 2 for the international interface . Part 9: Closed User Group (CUG) supplementary service
Edition 1997-07-01

Systems and software engineering - Systems and software product Quality Requirements and Evaluation (SQuaRE) - Common Industry Format (CIF) for usability: Context of use description (ISO/IEC 25063:2014); German version EN ISO/IEC 25063:2017
Edition 2017-09

Ease of operation of everyday products - Part 1: Design requirements for context of use and user characteristics (ISO 20282-1:2006)
Edition 2008-10

Ergonomic design of control centres - Part 4: Layout and dimensions of workstations (ISO 11064-4:2013); German version EN ISO 11064-4:2013
Edition 2014-03

Ergonomic design of control centres - Part 3: Control room layout (ISO 11064-3:1999); German version EN ISO 11064-3:1999
Edition 2000-09

Personal protective equipment - Ergonomic principles; German version EN 13921:2007
Edition 2007-08