DS/ISO/IEC 14651/Amd 1:2013 Information technology - International string ordering and comparison - Method for comparing character strings and description of the common template tailorable ordering
2013DS/ISO/IEC 14651/Amd 1:2013 Information technology - International string ordering and comparison - Method for comparing character strings and description of the common template tailorable ordering
2011DS/ISO/IEC 14651:2011 Information technology - International string ordering and comparison - Method for comparing character strings and description of the common template tailorable ordering