1. History of Footwearhttp://www.footwearhistory.com/
2. Shoes Reveal Personality Traitshttp://www.scientificamerican.com/article/shoes-reveal-personality-traits/
3. DigiBarn Weird Stuff: Puma RS Computer Tennis Shoes (Pedometer, 1980s)http://www.digibarn.com/collections/weirdstuff/computer-tennis-shoes/
4. Gait Analysis: Normal and Pathological Function;Perry,1992
5. A Wireless Flexible Sensorized Insole for Gait Analysis