Lucy E. Dunne Pauline Walsh Barry Smyth Brian Caulfield Design and Evaluation of a Wearable Optical Sensor for Monitoring Seated Spinal Posture. 65-68 2006 conf/iswc/2006 ISWC http://dx.doi.org/10.1109/ISWC.2006.286345 db/conf/iswc/iswc2006.html#DunneWSC06