Jones, M., Jones, S., Bradley, G., Warren, N., Bainbridge, D., & Holmes, G. (2008). ONTRACK: Dynamically adapting music playback to support navigation. Personal and Ubiquitous Computing, 12(7), p. 513. doi:10.1007/s00779-007-0155-2

Jones, Matt, Steve Jones, Gareth Bradley, Nigel Warren, David Bainbridge, and Geoff Holmes. "ONTRACK: Dynamically Adapting Music Playback to Support Navigation." Personal and Ubiquitous Computing 12, no. 7 (2008): 513.

Jones, Matt, et al. "ONTRACK: Dynamically Adapting Music Playback to Support Navigation." Personal and Ubiquitous Computing 12.7 (2008): 513.