Joe Marshall. Smartphone sensing for distributed swim stroke coaching and research. In Friedemann Mattern, Silvia Santini, John F. Canny, Marc Langheinrich, Jun Rekimoto, editors, The 2013 ACM International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp '13, Zurich, Switzerland, September 8-12, 2013 - Adjunct Publication. pages 1413-1416, ACM, 2013. [doi]