Character repertoires, ordering and assignment to the 12-key keypad supporting European cultural diversity. - Martin Böcker; Karl Ivar Larsson; Bruno von Niman (Mobile HCI, 2006)

Increasing text-entry usability in mobile devices for languages used in Europe. - Martin Böcker; Bruno von Niman; Karl Ivar Larsson (Interactions, 2006)

Increasing the Usability of Text Entry in Mobile Devices for European Languages and Languages Used in Europe. - Martin Böcker; Karl Ivar Larsson; Bruno von Niman (HCI (11), 2007)