Matt Jones Steve Jones Gareth Bradley Nigel Warren David Bainbridge Geoff Holmes ONTRACK: Dynamically adapting music playback to support navigation. 513-525 2008 12 Personal and Ubiquitous Computing 7 http://dx.doi.org/10.1007/s00779-007-0155-2 db/journals/puc/puc12.html#JonesJBWBH08